notice that the oncoming wind tends to flatten out each drop as it falls. what's different about liquids x and y? your answer should be the one- or two-word name of a physical property

Explanation:

I hope it helps

ya welcome

As there are 1,000,000 kg in 1 Mg, we must multiply by 1,000,000 to convert from Mg (megagrams) to kilogrammes. Therefore:

8.12 × 107 kg or 81.2 Mg is equal to 81.2 x 1,000,000 kg.

8.12 x 107 kilos, or in scientific notation, are contained in 81.2 Mg.

, I apologize for my mistake in the previous response. The conversion from Mg to kg is indeed done by multiplying by 1,000,000. Thank you for providing the correct calculation and explanation. The answer is:

81.2 Mg = 81.2 x 1,000,000 kg = 8.12 x 10^7 kg

Expressed in scientific notation, there are 8.12 x 10^7 kilograms in 81.2 Mg.

8.12 x 107 kilos, or in scientific notation, are contained in 81.2 Mg.

8.12 x 107 kilos, or in scientific notation, are contained in 81.2 Mg.

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Answer: The water Inside the cell is stored inside the vacuole(s)

Explanation:

Hope this helps :)

The addition of 15 g of salt to a sample of pure water causes its freezing point to be reduced by 1.3°C. On dissolving an additional 15 g of salt into the solution, there would be no additional effect on the freezing point.

As a result, whenever ice and saline water come into touch, the ice melts and releases more liquid water. Additional salt is then released as a result, melting more ice in the process, and so forth. The freezing point of the substance decreases as dissolved salt concentration increases.

Why does salt slow down the freezing process of water?

The blue and red circles in this image represent the sodium chloride ions that are the primary source of this phenomenon. The amount of water molecules that can join with ice molecules is decreased as a result of these charged particles disrupting the molecules' equilibrium. As a result, water freezes more gradually.

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If you added 0.5 g of sample 1 instead of 2.0 g, the freezing point temperature of the solution would decrease.

When a solute is added to a solvent, it disrupts the formation of the solvent's crystal lattice structure, lowering the freezing point of the solution. The extent to which the freezing point is lowered depends on the concentration of the solute particles in the solution. In this case, by reducing the amount of sample 1 from 2.0 g to 0.5 g, the concentration of solute particles in the solution would decrease.

Since the freezing point depression is directly proportional to the concentration of solute particles, a decrease in the amount of sample 1 would result in a smaller decrease in the freezing point temperature compared to if 2.0 g were added. In other words, the solution would experience a less significant decrease in freezing point temperature with only 0.5 g of sample 1.

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Answer:

glycerin

Explanation:

Glycerol is easily soluble in water, because the ability of the polyol groups to form hydrogen bonds with water molecules.

Answer:

ridge push and slab pull

Explanation:

there are two processes through to be responsible for the spreading seen at mid ocean ridges and there is some uncertainty as to which is dominant. ridge push occurs when the weight of the ridge pushes at the rest of tectonic plate away from the ridge often towards a subduction zone. hope this helped

The temperature must be 0°C of the drink while walking toward your seat.

Phase change -When matter transitions from one state (solid, liquid, gas, or plasma), it goes through a phase shift. Both when the pressure on the system changes and when enough energy is added to (or taken away from) the system, these changes take place. Depending on the system's chemical and physical characteristics, different temperatures and pressures are required for these changes to take place. Latent heat is the name for the energy involved in these changes.

Room temperature=20°C

Beer and Ice

There is the change of phase of ice into the water so temperature must be  0°C. (water-ice phase change at  0°C).

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Answer:

Mass = 154.95 g

Explanation:

Given data:

Mass of sodium react = 115 g

Mass of sodium oxide formed = ?

Solution:

Chemical equation:

4Na + O₂        →     2Na₂O

Number of moles of sodium:

Number of moles = mass/molar mass

Number of moles = 115 g/ 23 g/mol

Number of moles = 5 mol

Now we will compare the moles of sodium and sodium oxide.

                Na         :          Na₂O

                  4          :             2

                   5         :          2/4×5 = 2.5 mol

Mass of sodium oxide:

Mass = number of moles × molar mass

Mass = 2.5 mol ×  61.98 g/mol

Mass = 154.95 g

Answer:

Zinc:

Gold:

Therefore, 10 g of zinc contains 0.153 moles of zinc, and 10 g of gold contains 0.051 moles of gold.

Using the molar masses of zinc and gold, 10 grams of zinc corresponds to approximately 0.1527 moles of zinc, while 10 grams of gold corresponds to approximately 0.0508 moles of gold.

We know that:

Moles = Mass (in grams) / Molar Mass

Moles of zinc = 10 g / 65.38 g/mol

Moles of zinc = 0.1527 mol

Now,

Moles of gold = 10 g / 196.97 g/mol

Moles of gold = 0.0508 mol

Thus, it can be concluded that 10 grams of zinc corresponds to 0.1527 moles of zinc, while 10 grams of gold corresponds to 0.0508 moles of gold.

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Answer:

Because you don't want 2 different things mixing together unless their supposed to be mixed together

Explanation:

The hand cream used as a separating agent when the flubber was handled because it is not about 2 different things mixing together unless their supposed to be mixed together.

What is separating agent ?

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Answer:

Carbon Dioxide

Explanation:

Carbon dioxide gets turned into oxygen

Answer:

A. Minerals

Explanation:

Anything that is abiotic in nature is something that isn't living. Fungi is alive, so are dogs and ants.

Answer: Minerals is the correct answer.

Explanation: Sunlight, air, precipitation, minerals, and soil are some examples of abiotic factors. These factors have a significant impact on the survival and reproduction of species in an ecosystem. Answer is confirmed correct on the test. I hope this helps! Thanks!

The false statement is that adding more H2(g) rises the equilibrium constant.

Q can be utilized to predict which way a response will shift to achieve equilibrium. If K > Q, the reaction will continue, converting reagents into products. If K Q, the reaction will go in the opposite direction, converting products back into reactants. If Q = K, the system has already reached equilibrium.

Here are some examples of equilibrium: A book resting on a table. A car moving at a constant speed. A chemical reaction in which the prices of forward and reverse reactions are the same.

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The complete question is-

Consider: H2(g)+I2(s)=2HI(g)

Which of the following statements about the equilibrium is false?

A. If the system is heated, the right side is favored

B. This is a heterogeneous equilibrium

C. If the pressure on the system is increased by changing the volume, the left side is favored

D. Adding more H2(g) increases the equilibrium constant

E. Removing HI as it forms forces the equilibrium to the right

Answer

moles = 5.81 mol

Explanation

Given:

Volume = 144 L

AT SATP

1 mole = 24.4651 L

Solution:

1 mole = 24.4651 L

x mole = 144 L

x = 144/24.4651

x = 5.8 mol

The volume of 0.500-M KOH(aq) should be added to 100 ml of a buffer solution initially containing 0.13 mol HF and 0.16 mol of NaF is 100 mL of 0.500 M KOH. ka = 6.8 × 10⁴ and pH is 3.59

given that :

ka = 6.8 × 10⁴

and pH is 3.59

moles of HF = 0.13 mol

moles of NaF = 0.16 mol

the pH formula is given as :

pH = pka + log [base]/[acid]

pH = -log(6.8 × 10⁻⁴) + log (0.16 ) / 0.13

pH =  3.33  + 0.0899

pH = 3.5

Thus, the volume of 0.500 M KOH should be added to a buffer solution 0.500 M.

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Answer:

"6,000-year-old seeds from an ancient culture" is one example among the following examples given in the question that carbon-14 dating would be appropriate for dating.

Explanation:

Thought you meant by something els sorry :)

500 joules of heat are released throughout the operation, melting 1.49 grams of water.

A fundamental physical characteristic of matter is mass, which expresses how much matter is contained in an item. Given that it is a scalar quantity, it has magnitude but no direction. A measure of an object's inertia, or resistance to a change in motion, mass is frequently expressed in quantities like grams (g) or kilograms (kg).

Depending on the water's specific heat and the energy needed to melt a certain volume of ice, 500 joules of heat may melt more or less water.

The amount of energy needed to melt a unit quantity of ice, also known as the latent heat of fusion, must be known in order to determine the mass of water that is melted. 334 J/g is the latent heat of fusion of water.

Thus, the following formula can be used to determine the mass of melted water:

energy released / latent heat of fusion = mass.

By entering the specified values, we obtain:

mass = 500 J/g / 334J/g  

         = 1.49 g.

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The Hershey and Chase experiment provided conclusive evidence beyond that of the experiment conducted by Avery, MacLeod, and McCarthy. The following statements best explain how the Hershey and Chase experiment established that DNA (not protein) is the hereditary material:

Hershey and Chase's famous experiment used radioactive tracers to confirm DNA as the genetic material. They employed radioactive isotopes of phosphorus-32 and sulfur-35 to label the DNA and protein coats of the E. coli bacteriophage, respectively. After infecting the bacteria with these labeled phages, they analyzed the distribution of the radioactive isotopes.

The results of the experiment showed that most of the phosphorus-32, which represented the DNA, ended up inside the bacterial cells. This finding indicated that the DNA was injected into the bacteria and played a role in directing the replication of the phage. On the other hand, most of the sulfur-35, representing the protein coat, remained attached to the phage shells and did not enter the bacterial cells.

Based on these observations, Hershey and Chase concluded that DNA, rather than protein, serves as the genetic material. Their experiment provided strong evidence that DNA carries the hereditary information and is responsible for transmitting genetic traits from one generation to the next.

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When a more complex compound breaks down into two or more simpler compounds, it is known as a decomposition reaction.

What do you mean by complex compound?

In chemistry, a complex compound is a substance that consists of two or more molecules or ions joined together by coordinate covalent bonds. These bonds are formed when one atom donates a pair of electrons to another atom that has an empty orbital. The atom that donates the electron pair is called the donor atom, and the atom that accepts the electron pair is called the acceptor atom.

When a more complex compound breaks down into two or more simpler compounds, it is known as a decomposition reaction. In other words, decomposition reactions involve the breaking down of a larger molecule into smaller molecules or atoms. This type of reaction is the opposite of a synthesis reaction, which involves the combining of two or more simpler compounds to form a more complex compound.

A decomposition reaction can occur through various mechanisms, including thermal decomposition, electrolysis, photolysis, and catalytic decomposition. The specific mechanism depends on the nature of the reactant and the conditions under which the reaction takes place.

Thermal decomposition reactions occur when a substance is heated to a temperature high enough to break its chemical bonds. For example, calcium carbonate decomposes into calcium oxide and carbon dioxide gas when heated:

CaCO3 (s) → CaO (s) + CO2 (g)

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Answer:

D. 108g of water

Explanation:

16g CH4 produces 2(18)g of H20

1g CH4 produces \(\frac{36}{16}\)g of H2O

48g CH4 produces \(\frac{36}{16}\)×48

                                108g of H20

Answer:

D. 108g of water

Explanation:

Answer:

Q = 4133.2 J

Explanation:

Hello there!

In this case, since these calorimetry problems are based off the following heat equation involving heat (Q), mass (m), specific heat (C) and temperatures (T):

\(Q=mC(T_2-T_1)\)

Thus, we plug in the given variables to obtain:

\(Q=62.0 g*2.433 \frac{J}{g\°C}* (40.5\°C-13.1\°C)\\\\Q=4133.2J\)

Regards!

At constant temperature, the behavior of a sample of a real gas more closely approximates that of an ideal gas as its volume is increased because the (D) Average distance between molecules becomes greater.

An ideal gas is:

1) made up of molecules which are in constant random motion in straight lines.

2) all collisions are perfectly elastic, there is no loss of kinetic energy during the collision.

3) follows ideal gas law: p·V = n·R·T.

4) the gas particles have negligible volume.

At low temperatures, volume of the gas is not negligible.

Real gases may be expected to deviate from Charles's law at high pressures.

Real gases may be expected to deviate from Charles's law near the liquefaction temperature.

Missing options:

(A) Collisions with the walls of the container become less frequent

(B) Average molecular speed decreases

(C) Molecules have expanded

(D) Average distance between molecules becomes greater

(E) Average molecular kinetic energy decreases

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Answer:b

Explanation:

I just did it

The general structure of a carboxylic acid is B.

What is a carboxylic acid?

An organic acid containing a carboxyl group. The simplest examples are methanoic (or formic) acid and ethanoic (or acetic) acid.

A carboxylic acid's general formula is R-COOH, where COOH denotes the carboxyl group and R denotes the remainder of the molecule to which this group is linked.

There is carbon in this carboxyl group that has a double connection with an oxygen atom and a single bond with a hydroxyl group.

Hence, option B is correct.

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Answer:

about 12 cm

Explanation:

Considering the frequency of 2,450 MHz, the wavelength of microwave oven radiation is about 12 cm and the quantum energy of a microwave photon is about 1 x 10-5 eV.

Answer:

A

Explanation:

B: not B. Opinions don't matter. Facts do.

C: its a consideration. It will limit the scope of the experiment. But it's not relevant to the investigation. Not C

D: You might want to contact some scientists to see what they think about your investigation, but randomly interviewing anyone and everyone is not the answer.

You want to do A for certain.

The ion most commonly formed by fluorine is the fluoride ion (F-). This ion has a charge of -1, meaning it has gained an electron to form an anion.

Fluorine has a high electronegativity, meaning it is highly likely to attract an electron to complete its outer shell and become more stable. As a result, the fluoride ion is formed when fluorine gains an electron.

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When omitting the sodium thiosulfate solution from the kinetic trials, the resultant solution from mixing solutions A and B will appear differently than a correctly completed experiment.

Without the sodium thiosulfate, a reaction between the two solutions would not occur, so the resultant solution would be that of an unmixed combination of A and B, rather than a reaction product.

This can be confirmed by running the experiment correctly and including the sodium thiosulfate solution in the kinetic trials.

Omitting the sodium thiosulfate solution can significantly affect the appearance of the resulting solution from a kinetic experiment by not neutralizing the excess iodine and leaving unreacted iodine present in the solution.

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Answer:

You should be posting this question under the biology tab, but here's the answer nonetheless.

a. 25% (if the woman is Ce)

c. 0% (if the woman isn't Ce)

There would be   moles of copper are present in a sample of tennantite with a mass of 2370 grams

Tennantite is a mineral with the ideal formula Cu₁₂As₄S₁₃. which is a copper arsenic sulfosalt. The formula is Cu₆[Cu₄(Fe, Zn)₂]As₄S₁₃ because iron and zinc are sometimes substituted for copper. It is either black, gray-black, steel-gray, or iron-gray in color.

First we shold calculate the moles of tennantite

moles = mass/ mass molar

Moles = 2370g/ 1479.06 g/ moles

Moles tennantite = 1.602 g

Twelve moles of copper are contained in one mole of tennantite, hence 1.602 moles of tennantite will contain the following:

12x 1.602 mole = 19.224

A sample of tennantite weighing 2370 grams contains 19.224 moles of copper.

Your question is incomplete but most probably your full question was

How many moles of copper are present in a sample of tennantite with a mass of 2370 grams

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