classify each property as physical or chemical?
melting point
conductivity
boiling point
flammability
color
susceptibility to rust

Answer:

Explanation:

CaCO3 = 1*Ca + 1*C + 3*O

              =1*40 + 1*12 + 3*16

               =40 + 12 + 48

               =100 amu

The solution to the Schrodinger equation for a harmonic oscillator can be used to determine the energy levels and wave functions of the vibrational motion of a diatomic molecule.

The vibrational frequency (ν) of a diatomic molecule with atoms of masses mA and mB joined by a bond with a force constant kf can be calculated using the formula:

ν = (1/2π) * √(kf / μ)

where μ is the reduced mass of the system, given by:

μ = (mA * mB) / (mA + mB)

The vibrational frequency is related to the energy spacing between the vibrational levels, and can be used to interpret the infrared spectra of diatomic molecules.

For more question on Schrodinger equation click on

https://brainly.com/question/17750570

#SPJ11

Answer:

A distance-time graph shows how far an object has travelled in a given time. Distance is plotted on the Y-axis (left) and Time is plotted on the X-axis (bottom).

Answer:

The correct answer is B. 1-propanamine.

Explanation:

Amines can form hydrogen bonds with water molecules, which makes them soluble in water. The more hydrogen bonding sites an amine has, the more soluble it will be in water.

Out of the given options, 1-propanamine has only one carbon chain, which allows it to form more hydrogen bonds with water molecules compared to amine molecules with longer carbon chains. Also, it does not have any other functional groups that could interfere with hydrogen bonding. Therefore, 1-propanamine would be the most soluble in water.

Hope it helps!

Answer:

This is balanced

Explanation:

Both sides contain 2 Ag 2 NO3 1 Ba and 2 Cl.

Cu₂+ and Ni₂+ are expected to form low-spin complexes, while Co₂+ is not.

Negatively charged subatοmic particles called electrοns can be free—that is, nοt bοund—οr bοnded tο an atοm. There are three main types οf particles in an atοm: prοtοns, neutrοns, and an electrοn that is bοnded tο an atοm. The nucleus οf an atοm is cοmpοsed οf prοtοns and electrοns.

According to the statement provided, metal ions with d8 or more electrons will always be low-spin, regardless of the identity of the attached ligands. Based on this information, we can determine which of the ions would be expected to form low-spin complexes:

Cu₂+ (d9): Since Cu₂ + has 9 d-electrons, it falls within the range of d8 or more electrons. Therefore, Cu₂ + is expected to form low-spin complexes.

Ni₂ + (d8): Ni₂ + also has 8 d-electrons, which falls within the range mentioned. Therefore, Ni₂ + is also expected to form low-spin complexes.

Co₂ + (d7): Co₂ + has 7 d-electrons, which is less than the required d8 or more electrons for low-spin complexes. Hence, Co₂ + is not expected to form low-spin complexes.

In summary, Cu₂ + and Ni₂ + are expected to form low-spin complexes, while Co₂ + is not.

Learn more about electrons

https://brainly.com/question/15216746

#SPJ4

To determine the number of moles of hydrogen needed to crack one mole of the long saturated hydrocarbon chain (C40H82), we can analyze the reactants and products involved in the cracking reaction.

The cracking reaction is given as: C40H82 -> 3 C8H18 + n C2H6. From the equation, we can see that one mole of the long hydrocarbon chain (C40H82) produces three moles of octane (C8H18) and n moles of ethane (C2H6). Since the cracking process involves breaking the carbon-carbon bonds and forming new carbon-hydrogen bonds, the number of hydrogen atoms in the products should remain the same as in the reactant.

The long hydrocarbon chain (C40H82) contains 82 hydrogen atoms, and the products, 3 moles of octane (C8H18), contain (3 moles) * (18 hydrogen atoms/mole) = 54 hydrogen atoms. Therefore, the number of moles of hydrogen needed for cracking one mole of the long hydrocarbon chain can be calculated as: Number of moles of hydrogen = 82 - 54 = 28 moles. Hence, 28 moles of hydrogen are required to crack one mole of the long saturated hydrocarbon chain (C40H82).

To learn more about number of moles click here: brainly.com/question/20370047

#SPJ11

Answer:

pretty sure that's an old jolly rancher

The pH of a 0.10m solution of hb will be 1.80.

To solve this problem, we need to use the acid dissociation constant (Ka) of HB, which is the conjugate acid of the base B-. We can calculate Ka using the given pKa value, which is the negative logarithm of Ka.

pKa = -log(Ka)

10^-pKa = Ka

Let's assume that the reaction for the dissociation of HB is:

HB + H2O ⇌ B- + H3O+

The Ka expression for this reaction is:

Ka = [B-][H3O+] / [HB]

We can rearrange this expression to solve for [H3O+]:

[H3O+] = Ka * [HB] / [B-]

We know that [B-] = [OH-] = 10^-(pH) = 10^-9 (since the pH of the 0.050 M NaB solution is 9.00). We also know that [HB] = 0.010 M (since the concentration of the 0.010 M HB solution is given).

Finally, we need to calculate Ka using the given pKa value.

pKa = 4.76

Ka = 10^-pKa = 1.58 x 10^-5

Plugging in the values, we get:

[H3O+] = (1.58 x 10^-5) * (0.010 M) / (10^-9)

           = 0.0158 M

Therefore, the pH of the 0.010 M solution of HB is:

pH = -log[H3O+] = -log(0.0158)

     = 1.80

Hence, pH of solution is 1.80

To know more about pH of solution refer here:

https://brainly.com/question/10829073?#

#SPJ11

The actual yield from the reaction is 92.4 grams.

Percent yield is the difference in the percent of theoretical yield to the percent of actual yield.

The balanced equation is

CaCO₃ + 2HCl → CaCl₂ + CO₂ + H₂O

Step 1- calculate the moles of CaCO₃

\(\rm Number\;of \;moles= \dfrac{mass}{molar\;mass}\\\rm Number\;of \;moles= \dfrac{104 g}{100.08 g/mol} = 1.039 mol.\)

The amount of CaCl₂ produced = no. of moles x molar mass

\((1.039 mol)\times (110.98 g/mol) = 114.3 g.\)

Step2- calculate the percent yield

\(\rm percent\; yield = \dfrac{(actual\; yield)}{(theoretica\; yield)} \times 100\\\\\\\rm actual\; yield = \dfrac{(percent\; yield)\times (theoretica\; yield)}{100} \\\\\rm actual\; yield = \dfrac{(80.15)\times (115.3g)}{100} = 92.4 g\)

Thus, the actual yield is 92.4 g.

Learn more about percent yield

https://brainly.com/question/17042787

#SPJ1

Answer:

92.4 grams

Explanation:

stay safe!

NADH/NAD+ ratio would lead to a decrease in the rate of entrance of acetyl coa into the citric acid cycle.

The Krebs cycle, often referred to as the TCA cycle (tricarboxylic acid cycle), and the citric acid cycle (CAC) are chemical processes that release stored energy through the oxidation of acetyl-CoA obtained from carbs, lipids, and proteins. Organisms that respire (as opposed to organisms that ferment) use the Krebs cycle to produce energy, either through anaerobic or aerobic respiration. The cycle additio0nally supplies the reducing agent NADH and precursors of a few amino a.cids that are needed in a variety of other processes. It may have developed abiogenically and was one of the earliest components of metabolism given its prominent role in numerous metabolic processes. [3] [4] Although it is advertised as a "cycle," metabolites need not adhere to it.

Learn more about citric acid cycle here:

https://brainly.com/question/11459709

#SPJ4

Answer:

Explanation:

When it cools it turns back into a solid

Answer:

When a solid is heated the particles gain energy and start to vibrate faster and faster. At this point, the solid is melting to form a liquid.

Explanation:

The particles in the liquid are the same as in the solid but they have more energy.

Option (a) is correct. Peridotite that undergoes partial melting will create a melt enriched in iron, magnesium, felspars and silica.

The type of rock, Peridotite is a type of igneous rock that is dark colored and has coarse grains. It is a dense rock and is most commonly light to dark green in color. The peridotite description is that it is an important rock because it makes up the main portion of the Earth's mantle and has many uses. Peridotite is named after the gemstone peridot. Peridot is a green color and is made of the mineral olivine, a main component of peridotite. Sedimentary rock is formed when layers settle and become cemented into solid rock. igneous rock, is formed when lava or magma cools and solidifies and is the group to which peridotite belongs.

To learn more about Peridotite please visit:

https://brainly.com/question/2680655

#SPJ4

Answer:all matter.

Explanation:

-Love Ricardo H. Sparks

Answer:

Atoms are the building blocks of life (everything basically)

Explanation:

Answer:  D

Explanation:

Answer:

youngest (D)

Explanation:

Answer:

Explanation:

soluble and insoluble salts are prepared by processes like neutralization reactions, simple displacement reactions and double displacement reactions.

Answer:

Explanation:

‘it’s a chemical change because this may seem like a decomposition reaction because it seems like the nail is decomposing and falling apart.

Answer:

the rusting of iron is a chemical change because it is two substance reacting together to make a new substance.

Explanation:

Answer:

Slow down

Explanation:

In humid conditions plant transpiration rates decrease.

The high-density brine drains into the water beneath the ice and in the process, the sea ice freshens while the salinity of the underlying water decreases, becoming less dense (Option C).

Sea ice is usually less salty than the ocean water it freezes from. During the process of ice formation, salt in the ocean water is expelled from the ice as it grows; most of the salt is ejected into the ocean but some remain trapped inside pockets of brine within the ice. When the air temperature falls below the freezing point of seawater (usually around -1.8 °C), water molecules start to form ice crystals, which grow and aggregate into a solid sheet of ice.

During this process, the salt rejected by the growing ice also accumulates, causing the salinity of the remaining brine to increase. Some of the brine is encapsulated within ice crystals, but most are trapped in the spaces between neighboring crystals.

Thus, the correct option is C.

Learn more about brine: https://brainly.com/question/14667236

#SPJ11

Answer:

c

Explanation:

all fins are for movement

Answer:

Prosthetic Devices

Explanation:

I’m a genius and it’s the answer :D

Answer:

Just Try ur best ok

Explanation:

Answer:

Pure substances are Broken down into other elements or compounds, while Mixtures are combined elements that can be broken down again into their original components.

Explanation:

Mixtures can vary with what they are made from, while pure substances are set as a certain composition already.

Answer:

neon gas is the closest noble gas to magnesium ( mg ) on the periodic table.

Explanation:

hope this answer will help you