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scoundrel [369]
2 years ago
10

What kind of air mass will bring cold, dry weather as it moves toward an area

Chemistry
1 answer:
sergij07 [2.7K]2 years ago
4 0

Answer:

i think the answer is Continental polar air masses

Explanation:

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Which is a series circuit and a parallel circuit
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Explanation:

A is a series circuit

B is parallel circuit

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Which of the following samples had the lowest average kinetic energy?
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B. 10 mL of Cabr2(aq) at 35 degrees celsius

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The colder something is the more the atoms are compressed together; atoms can't move as much. 35 degrees is the warmest option, so it makes the most sense.

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The___ step in balancing a chemical equation is to take inventory or count atoms on the reactant & the product side.
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6 0
2 years ago
A syringe initially holds a sample of gas with a volume of 285 mL at 355 K and 1.88 atm. To what temperature must the gas in the
Ivahew [28]

<u>Answer:</u> The temperature to which the gas in the syringe must be heated is 720.5 K

<u>Explanation:</u>

To calculate the volume when temperature and pressure has changed, we use the equation given by combined gas law.

The equation follows:

\frac{P_1V_1}{T_1}=\frac{P_2V_2}{T_2}

where,

P_1,V_1\text{ and }T_1 are the initial pressure, volume and temperature of the gas

P_2,V_2\text{ and }T_2 are the final pressure, volume and temperature of the gas

We are given:

P_1=1.88atm\\V_1=285mL\\T_1=355K\\P_2=2.50atm\\V_2=435mL\\T_2=?K

Putting values in above equation, we get:

\frac{1.88atm\times 285mL}{355K}=\frac{2.50atm\times 435mL}{T_2}\\\\T_2=\frac{2.50\times 435\times 355}{1.88\times 285}=720.5K

Hence, the temperature to which the gas in the syringe must be heated is 720.5 K

8 0
3 years ago
NEED HELP FAST
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Answer: im not writting a pharaphraph. Buuuuuuuuuuuut... explian the type of reaction then explanie how that type of reaction works.

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2 years ago
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