Heat that flows by conduction is the transfer of thermal energy between substances in contact. What must occur for this to happen? TA B Block A has a higher temperature than block B heat flow The two blocks are the same temperature and heat flow stops Heatis transferred from the wamer block to the cooler block 2012 Encyclopædia Batannlea, Inc. B B heat flow

Answers

Answer 1

Answer:

Answer:

Heat is transferred from the warmer block to the cooler block

Explanation:

Heat transfer by conduction involves two or more solids. The heat generally moves from a part at higher temperature to one with a lower temperature.

Heat transfer is based on the differences in temperature profile on a body.
When the temperature of the body is the same, heat is not transferred.
The molecules that makes up the hotter body collides with static molecules of the cold one.
Through this, heat is transferred.

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What contains many food chains

Answers

Animals contain a lot of food chains! Lol.

17. Which type of chemical bond is formed between two atoms of bromine?

Answers

A non polar bond is formed between two bromine atoms. That means that the electrons are shared equally between the two atoms, and since we are sharing electrons, we use the term, 'covalent bond'.

Which of the following is not true of "concentration"?a. It increases when you add more solute to the solvent.
b. It decreases when you add more solute to the solvent.
c. It decreases when you add more solvent to the solution.

Answers

The correct answer is B. The concentration of a solution does not decreases when you add more solute to the solvent. Instead, the concentration increases. Concentration is expressed as the amount of solute per unit of solvent. Therefore, increasing the solute, increases this value and increasing the solvent, decreases this value.

Which units express heat capacity

Answers

Answer:

Heat capacity units: J/K

Explanation:

Heat capacity (C) is the amount of heat (Q) required to raise the temperature(T) of a substance by a unit degree.

$C = (Q)/(T)$

It is usually expressed in terms of J/K

Heat capacity is an intensive property i.e. it is not dependent on the amount of the substance. i.e, the amount of heat required to raise the temperature of 1 g of copper per kelvin would be the same as that corresponding to 100 g.

the heat capacity of a defined system is the amount of heat (usually expressed in calories, kilocalories, or joules) needed to raise the system's temperature by one degree (usually expressed in Celsius or Kelvin). It is expressed in units of thermal energy per degree temperature. To aid in the analysis of systems having certain specific dimensions, molar heat capacity and specific heat capacity can be used. To measure the heat capacity of a reaction, a calorimeter must be used. Bomb calorimeters are used for constant volume heat capacities, although a coffee-cup calorimeter is sufficient for a constant pressure heat capacity.

Three chromium isotopes are chromium -50, chromium-52, and chromium-53.How many neutrons are in each isotope, given that chromium has an atomic number of 24?

Answers

In chromium-50 there are 26 neutrons, because 26 + 24 = 50.
In chromium-52 there are 28 neutrons, because 28 + 24 = 52.
In chromium-53 there are 29 neutrons, because 29 + 24 = 53

Remember the atomic number, identifies elements it is different for every element and it is the number of protons in that element. So by adding that to the number of neutrons you can get the mass number.

Final answer:

Chromium-50 has 26 neutrons, chromium-52 has 28 neutrons, and chromium-53 has 29 neutrons.

Explanation:

Chromium has an atomic number of 24, which means it has 24 protons. To determine the number of neutrons in each chromium isotope, subtract the atomic number from the mass number. For chromium-50, subtracting 24 from 50 gives you 26 neutrons. For chromium-52, subtracting 24 from 52 gives you 28 neutrons. And for chromium-53, subtracting 24 from 53 gives you 29 neutrons.

Learn more about Isotopes of Chromium here:

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Please help!!!Which layer of the sun is shown extending into space in the picture above?

Group of answer choices

Corona

Radiative zone

Convective zone

Photosphere

Answers

Corona is the answer

Answer:

Corona

Explanation:

Is the answer so yeah...

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