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Karo-lina-s [1.5K]
2 years ago
9

Calculate the joules of heat needed to cool 159 g of water at 100 c to water at 65c

Chemistry
1 answer:
Butoxors [25]2 years ago
4 0

Answer:

John is buying shirts for his softball team.  He will pay a one-time processing fee of $27.50 and $12.75 per each shirt ordered.  Which equation can be used to find y, the total cost to buy xshirts? John is buying shirts for his softball team.  He will pay a one-time processing fee of $27.50 and $12John is buying shirts for his softball team.  He will pay a one-time processing fee of $27.50 and $12.75 per each shirt ordered.  Which equation can be used to find y, the total cost to buy xshirts? xdsz.75 per each shirt ordered.  Which equation can be used to find y, the total cost to buy xshirts? John is buying shirts for his softball team.  He will pay a one-time processing fee of $27.50 and $12.75 per each shirt ordered.  Which equation can be used to find y, the total cost to buy xshirts? John is buying shirts for his softball team.  He will pay a one-time processing fee of $27.50 and $12.75 per each shirt ordered.  Which equation can be used to find y, the total cost to buy xshirts?

Explanation:

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How many atoms are in 490 moles of barium?
Usimov [2.4K]

Answer:

2.95 * 10^23 atoms

Explanation:

The number of atoms in a mole is always equal to <u>Avogadro's constant</u>, which is <u>6.02214076×10²³ mol⁻¹</u>.

To find the number of atoms in 0.490 moles of barium, multiply it with <u>Avogadro's constant</u>:

0.490 mol * 6.02214076×10²³ mol⁻¹ ≈ 2.9508 * 10^23

Convert to SigFigs (if necessary):

2.95 * 10^23

4 0
3 years ago
Write any four limitations of a balanced chemical equation.​
Valentin [98]

Answer:

1. The physical states of the reactants and products.

2. The concentration of the reactants and products.

3. The conditions such as temperature, pressure or catalyst etc which affect the reaction.

4. The heat changes accompanying the reaction i.e. whether heat is evolved or absorbed during the reaction.

Explanation:

Hope it helps! ^w^

3 0
3 years ago
Water can take on three forms which include ice, water, and water vapor. Which states of matter match these three forms of water
pishuonlain [190]
Ice is a solid. Water is a liquid. Water vapor is a gas.
7 0
2 years ago
Read 2 more answers
What’s the best answer
In-s [12.5K]
C) is correct, because there are 2 carbons and 4 oxygens on both sides, making the equation balanced.
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