How does he transferred through conduction?

A. From the warm object to the cooler object

B. From the cool object to the warm object

C. From the warm object to the air.

D. From the air to the cool object

Answer:

e.pressure increases

Explanation:

Recall that we define temperature as a measure of the average kinetic energy of the molecules in a body.

For a given mass of gas defined by pressure, volume and temperature, adjustments in volume and temperature will affect the pressure of the gas.

When the volume is decreased, more gas molecules are enclosed in a small place, they tend to collide more frequently with the walls of the container thereby increasing the pressure of the gas.

Increasing the temperature of the gas increases the kinetic energy of the gas molecules hence they collide even faster with the walls of the container thereby increasing the pressure of the given mass of gas.

Answer:

\(187.\)

Explanation:

\(7.5 \div 0.30 = 25\)

\(7.5 \times 25 = 187.5\)

Answer:

151 g SO₂ × [1 mol SO₂/64.06 g SO₂] = 2.36 mol SO₂

Explanation:

Answer

yes it can because it can be split in to neutrons and electrons.

Explanation:

Answer:

\( \huge{ \boxed{ \boxed{2.01}}}\)

Explanation:

pH is defined as the negative logarithm of the hydrogen ion concentration of a solution. That is,

\( \bold{pH = -log([{H}^{+}])} \)

From the question

\( [{H}^{+}] \) = 9.7 × 10-³ M

We have,

\(pH = - log(9.7 \times {10}^{ - 3} ) \\ = 2.01\)

We have the final answer as,

The solute that maintains the medullary interstitial fluid osmotic gradient in the kidneys is urea. Urea is a waste product formed during the breakdown of proteins in the liver and is excreted through urine.

It plays a crucial role in the concentration of urine and the maintenance of water balance within the body. In the kidneys, the medullary interstitial fluid is important for the process of urine concentration.

The descending limb of the loop of Henle is permeable to water, allowing water to move out of the tubules and into the interstitial fluid. However, the ascending limb is impermeable to water but actively transports solutes such as sodium and chloride out of the tubules.

As sodium and chloride ions are transported out of the ascending limb, urea is left behind, increasing its concentration in the medullary interstitial fluid.

This high concentration of urea creates an osmotic gradient, which is essential for the reabsorption of water from the collecting ducts. The osmotic gradient allows water to move out of the collecting ducts and into the surrounding interstitial fluid, leading to concentrated urine.

In conclusion, urea is the solute that helps maintain the medullary interstitial fluid osmotic gradient in the kidneys. Its presence in high concentrations in the medullary interstitial fluid is crucial for the concentration of urine and the regulation of water balance within the body.

To know more about urea refer here:

https://brainly.com/question/33258809#

#SPJ11

Answer:

B.

Explanation:

B. low temperature, high dissolved oxygen, and neutral pH

Hope this Helps.

The sentence which is appropriate for a formal lab report in CHM113 lab is that three more trials were conducted and the data was recorded which is therefore denoted as option A.

This refers to a type of facility that provides controlled conditions in which scientific or technological research and experiments are performed by scientists etc.

The laboratory involves taking various measurements and data which are then analyzed so as to arrive at an accurate and logical conclusion about the experiment or research work being done.

Three more trials were conducted and the data was recorded is the appropriate sentence which is used because in lab report procedure as it involves collection of data under various types of conditions.

Read more about Laboratory here https://brainly.com/question/21164257

#SPJ1

Answer:

2Fe + 3Cl2 --> 2 FeCl3

Explanation:

Fe + Cl2 -->  FeCl3

iron is balanced but chlorine isn't so we find what number can make each one equal

Fe +3Cl2 --> 2FeCl3

now we need to balance iron

2Fe + 3Cl2 --> 2 FeCl3

Molar entropy is greater for \(H_{2} O\) than for \(D_{2}O\) due to their molecular weights and degrees of freedom.

What is the difference in molar entropy between \(H_{2} O\) and \(D_{2} O\)?

(a) The molar entropy of \(H_{2} O\) is greater than that of \(D_{2} O\) under the same conditions, because \(H_{2} O\) has a smaller molecular weight and thus more translational degrees of freedom.

(b) This statement is incorrect. The molar entropy of \(D_{2} O\) is actually slightly greater than that of \(H_{2} O\) under the same conditions, due to the slightly larger size of the \(D_{2} O\) molecule leading to greater rotational and vibrational degrees of freedom.

(c) and (d) Water and heavy water are different names for \(H_{2} O\) and \(H_{2} O\), respectively, so the same reasoning applies as in parts (a) and (b): the molar entropy of \(H_{2} O\) is greater than that of \(D_{2} O\).

To learn more about Molar entropy, visit: https://brainly.com/question/3627396

#SPJ4

Answer:

70..... I think

Explanation:

Cuz if the bus travels 35 km every 30 mins this means that it travels 70 km per hour

From the percentage mass of water in copper(ii) sulfate pentahydrate, mass of water in 4.26 g of copper(ii) sulfate pentahydrate is 1.54 g of water.

The mass percentage of water in 1 mole of copper(ii) sulfate pentahydrate is determined using the following formula below:

The mass of water in the compound and the mass of 1 mole of the compound is determined from the molar mass of the compound.

The molar mass of copper(ii) sulfate pentahydrate is determined from the formula of the compound as follows:

Formula f copper(ii) sulfate pentahydrate = CuSO₄.5H₂O

Molar mass of copper(ii) sulfate pentahydrate = 63.5 + 32 + 16 * 4 + 18 * 5

Molar mass of copper(ii) sulfate pentahydrate = 249.5 g/mol

Mass of water in compound = 18 * 5 = 90 g

Percentage mass of water = 90/249.5 * 100% = 36.1 %

Mass of water in grams in 4.26 g of copper(ii) sulfate pentahydrate = 36.1% * 4.26 g

Mass of water in grams in 4.26 g of copper(ii) sulfate pentahydrate = 1.54 g of water.

Learn more about percentage mass at: https://brainly.com/question/23856068

#SPJ1

Answer:

Synthetic clothes can easily build up static electricity. It also easily can catch up on fire and when it does, it melts and can fuse to your skin.

Explanation:

Answer:

Explanation:

Synthetic fibres like Polyester catches fire very easily and melts. After melting It sticks to the body of the person wearing it causing severe burns. Hence it is advised not wear synthetic clothes while working in the Kitchen. Its advised to wear Apron or cotton clothes while cooking in Kitchen.

Answer:

They study different way people have died or could die to better aid investigators.

Explanation:

Answer:

its ability to lose electron

The reactivity of an alkali metal is determined by its ability to loose electrons.

The alkali metals are highly electropositive. They easily loose electron to form a univalent positive ion.

This ability to form a univalent positive ion increases down the group hence cesium is the most electropositive element in nature.

Learn more: https://brainly.com/question/18153051

Answer:

Carbon (C)

Explanation:

Because the element is the element of the main subgroup of group IV , it has oxidation number +4 in the oxide, and oxide formula is EO2.

reaction:

                                     EO2 + H2O ---> H2EO3

from reaction               1 mol    1 mol       1 mol

31 g acid - 22 g oxide = 9 g water

M(H2O) = 18 g/mol

9g * 1 mol/18 g = 0.5 mol H2O

As we see from reaction molar ratios EO2 : H2O : H2EO3 = 1 : 1 : 1,

so if  we have 0.5 mol H2O , we also have 0.5 mol EO2.

0.5 mol EO2 has mass 22 g.

Molar mass(EO2) = mass/ number of moles = 22 g/ 0.5 mol = 44 g/mol

Molar mass (EO2) = M(E) + 2M(O) = 44 g/mol

M(E) + 2 *16 g/mol = 44 g/mo

M(E) = 44-32 = 12 g/mol

Molar mass 12 g/ mol is molar mass of carbon.

So, element is carbon (C).

Explanation:

This is because the hydrogen bonding in water H2O is stronger than that is hydrogen sulfide H2S.

Answer:

Compounds :

Water,acid,chloride,hydroxide, and sulfate

Properties :

Density, color, mass, volume, length, malleability, melting point, hardness, odor, and  temperature

Explanation:

Hope this helps!!! :))

Answer:

Motion, in physics, change with time of the position or orientation of a body. In both cases all points in the body have the same velocity (directed speed) and the same acceleration (time rate of change of velocity).

Explanation:

The specific measurement that will be affected is the volume of gas collected in the graduated cylinder. Since not all the gas was caught, the volume measured will be less than the actual volume of gas released. This will not change the molar mass calculation.

The molar mass is calculated by using the mass of the gas and the volume of the gas collected. Even though the volume measured was less than the actual volume, the mass of the gas collected should still be accurate. Therefore, the molar mass calculation should not be affected.
Hi! I'm happy to help with your question.

a. The specific measurement that will be affected is the volume of gas collected in the graduated cylinder.

b. This mistake will likely result in a decrease in the calculated molar mass. Since the volume of gas collected is lower than it should be, the molar mass calculation will be based on a smaller amount of gas, leading to a lower value than the actual molar mass.

To know more about molar mass calculation.  click here:

brainly.in/question/15629812

#SPJ11

The relationship between Keto and enol tautomers  is the interconversion between a keto group and an enol group. and curcumin can exist in both forms.

Keto-enol tautomerism is a type of isomerism in which a molecule exists in two forms, the keto form and the enol form, that are in equilibrium with each other.

For example: Curcumin, a natural polyphenol found in turmeric, can exist in both keto and enol forms due to the presence of an α,β-unsaturated carbonyl group.

Tautomers, are interconvertible by the transfer of a hydrogen atom and a double bond. In the keto form, the molecule contains a carbonyl group (C=O), while in the enol form, the molecule contains an alkene (-C=C-OH) and an alcohol (-OH) group. Curcumin, which is the main active ingredient in turmeric, is an example of a compound that can exist in both the keto and enol forms. The keto form of curcumin is more stable and is the predominant form in solid-state, while the enol form is more reactive and can undergo various reactions.

To know more about tautomers here

https://brainly.com/question/29980981

#SPJ4

Answer:

kinetic energy

Explanation:

force is used

Compound A) 1-butanol has a strong and broad IR absorption centered at 3400 cm-1.

Infrared (IR) spectroscopy is a technique used to identify functional groups and chemical bonds in organic compounds based on their absorption of infrared radiation. The region around 3400 cm-1 is typically associated with the stretching vibrations of the O-H bond, indicating the presence of an alcohol or a compound containing a hydroxyl group.

Among the given options, compound A) 1-butanol is an alcohol that contains a hydroxyl group (-OH) attached to a carbon chain. The O-H bond in 1-butanol exhibits a strong and broad absorption centered at 3400 cm-1 in the IR spectrum. This absorption is caused by the stretching vibration of the O-H bond, which is characteristic of alcohols.

In contrast, compounds B) octane, C) diethyl ether, D) 2-hexyne, and E) benzene do not contain an -OH group or a functional group that would exhibit an absorption around 3400 cm-1. Therefore, the compound with a strong and broad IR absorption centered at 3400 cm-1 is A) 1-butanol.

Learn more about compound here:

https://brainly.com/question/30694315

#SPJ11

Answer:

I think it might be liquid

Answer: in a molecular molecules move just enough to stay close together but not to stick

Explanation:

Answer: More than one atom of the same type chemically joined together

Explanation:

An atom is the smallest unit of any matter which may or may not have independent existence. Example: Argon (Ar) is an element which exist as Ar atom only.

Molecule is the smallest unit of any matter which always have independent existence. For example: Hydrogen (H) is an element which can exist in nature as \(H_2\) molecule only.

Atoms of different elements chemically joined together is called as a compound. Example: \(H_2O\) is a compound formed by chemical combination of hydrogen (H) and oxygen (O) atom.

(a) The melting of ice cubes at 10°C and 1 atm pressure, (c) alignment of iron filings in a magnetic field, and (d) the reaction of sodium metal with chlorine gas to form sodium chloride are spontaneous processes.

(a) The melting of ice cubes at 10°C and 1 atm pressure is a spontaneous process because it occurs naturally without any external influence. As the temperature increases, the ice gains energy, and the intermolecular forces holding the solid together weaken. This allows the ice molecules to overcome the forces and transition into the liquid state.

(b) The separation of a mixture of N₂ and O₂ into pure N₂ and pure O₂ samples is not a spontaneous process. It requires external energy input, such as fractional distillation or selective adsorption, to achieve the separation. The gases do not naturally separate on their own.

(c) The alignment of iron filings in a magnetic field is a spontaneous process. Iron filings are composed of small magnetic domains with randomly oriented magnetic moments. When exposed to a magnetic field, the field exerts a torque on the magnetic moments, aligning them in the same direction as the field. This alignment occurs spontaneously without any external intervention.

(d) The reaction of sodium metal with chlorine gas to form sodium chloride is a spontaneous process. Sodium has a strong tendency to lose an electron, while chlorine has a strong tendency to gain an electron. When sodium and chlorine come into contact, a chemical reaction takes place spontaneously, resulting in the formation of sodium chloride.

(e) The dissolution of HCl(g) in water to form concentrated hydrochloric acid is not a spontaneous process. It requires the input of energy, typically in the form of heat, to break the intermolecular forces between HCl molecules and enable their dispersion in water.

To know more about intermolecular forces refer here:

https://brainly.com/question/31797315#

#SPJ11

The boiling point of a liquid can be estimated from its vapor pressure using the Clausius-Clapeyron equation.

This equation relates the vapor pressure of a liquid to its boiling point and can be expressed as:

ln(P2/P1) = -ΔHvap/R * (1/T2 - 1/T1)

where P1 is the vapor pressure at temperature T1, P2 is the vapor pressure at temperature T2, ΔHvap is the enthalpy of vaporization, R is the gas constant, and ln denotes the natural logarithm.

To find the boiling point, you would need to know the vapor pressure at two temperatures and the enthalpy of vaporization. Rearranging the equation to solve for the boiling point, you would get:

T2 = -ΔHvap/R * (1/(ln(P2/P1)) + 1/T1)

Substituting the values of P1, P2, and T1 into the equation and solving for T2 will give you an estimate of the boiling point. Note that this equation is an approximation and assumes that the enthalpy of vaporization is constant over the temperature range of interest.

Learn more about boiling point here:

https://brainly.com/question/2153588

#SPJ4

Since 1 L of water has 1,000 g, 0.1374 L or 137.4 g of water must be added to 8.27 g of acetic acid.

To make a 0.175 m aqueous acetic acid solution, you should add 8.27 g of acetic acid (HC2H3O2) to sufficient water to make the total solution mass equal to 8.445 g. This is because the molar mass of acetic acid is 60.05 g/mol, so 8.27 g can form a 0.137 m solution. To get this up to 0.175 m, a total mass of 8.445 g must be added, so 0.175 g of water must be added to the 8.27 g of acetic acid.

Making an aqueous acetic acid solution is simply a matter of combining the right amounts of acid and water. The amount of water to be added is easily calculated, since acetic acid has a known molar mass of 60.05 g/mol. The mass of the solution needs to be equal to the mass of the acetic acid plus the additional mass of water.

In this case, 8.27 g of acetic acid must be combined with 0.175 g of water, to produce a 0.175 m aqueous acetic acid solution.

know more about acetic acid here

https://brainly.com/question/15202177#

#SPJ11