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bixtya [17]
3 years ago
12

How does the equation below support the idea that matter is not created or destoryed?

Chemistry
1 answer:
Nana76 [90]3 years ago
8 0

Answer:

the numbers all stay the same, just distributed

Explanation:

theres still only 6 c. 12 h. and the same amount o

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When cadmium (Cd) is mixed with hydrochloric acid (HCI), a single-displacement reaction occurs.
navik [9.2K]

Answer:is Cl and H

Explanation:

2Cd+2Hcl=2CdCl + H2

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3 years ago
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Adam's dad takes the parkway to work. It takes him 45 minutes to travel from mile marker 145 where he enters the parkway to his
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Find the kinetic energy of the horse using KE=1/2 mv².
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KE=6,250Joules
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3 years ago
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An engine cylinder contains 175 mL of gas at a pressure of 1.0 atm. As the engine runs, it compresses the cylinder, reducing the
sukhopar [10]

This problem is providing the initial volume and pressure of a gas in an engine cylinder and asks for the final pressure once the volume of the gas has decreased due to a compression. At the end, the result turns out to be 11.7 atm.

<h3>Boyle's law</h3>

In chemistry, gas laws allow us to calculate pressure, volume, temperature or moles depending on a specified change and based on the concept and equation of the ideal gas, which derives the well-known gas laws; Boyle's, Charles', Gay-Lussac's and Avogadro's.

Thus, since this problem provides initial and final volume and initial pressure for us to calculate the final pressure, we understand we need to apply the Boyle's law as a directly proportional relationship between these two:

P_1V_1=P_2V_2

Thus, we solve for the final pressure, P2, to get:

P_2=\frac{P_1V_1}{V_2}=\frac{1.0atm*175mL}{15mL}\\ \\ P_2=11.7atm

Learn more about ideal gases: brainly.com/question/8711877

8 0
3 years ago
3 mL is equal to:<br><br> 3 L<br> 3 cm2<br> 3 cm3
Rufina [12.5K]

Answer:

3 cm3

Explanation:

1 L = 1 dm3 = 1000 mL (or 10^3 mL)

1 dm = 10 cm

1 dm3 = 10^3 cm

==> 1 mL = 1 cm3

Therefore, 3 cm3 = 3 mL

8 0
3 years ago
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