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tresset_1 [31]
3 years ago
11

Calculate how many grams of BeCl2 are required to produce 0.52 grams of MnCl2

Chemistry
1 answer:
Leokris [45]3 years ago
7 0

Answer:

65.0cp

Explanation:

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A piston is pressurized to 15.5 psi at 405 K. If the piston compresses the air, from 8.98 L to 7.55 L, and the pressure drops to
masya89 [10]

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239.45 K

Explanation:

Ideal gas law formula is P1V1T2=P2V2T1

Rearrange that to get...

T2=T1P2V2/P1V1

Fill in the values and solve.

7 0
2 years ago
The atomic mass of carbon -13 is 13. It has six protons. How many neutrons does the isotope have​
marishachu [46]

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13 - 6 =7

Explanation:

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What process removes carbon dioxide from the ocean?
Katen [24]

Answer:

B. decay of dead marine organisms

Explanation:

When the temperature is low, carbon dioxide is captured by the oceans, and when the temperature is high, it is released by the oceans into the atmosphere. At sea, carbon dioxide feeds phytoplankton.

Most of the carbon dioxide consumed by plant plankton (phytoplankton) returns to the atmosphere when this phytoplankton dies or is consumed, but a portion is deposited in the ocean floor sediments when these small particles sink. This process is called a "biological bomb" because carbon dioxide is transported from the atmosphere to the ocean floor.

8 0
3 years ago
Which of the following statements is (are) true about enzyme-catalyzed reactions? a. The reaction is faster than the same reacti
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Answer : The correct option is A.

Explanation :

Enzyme-catalyzed reaction :

Enzyme act as a biological catalyst and the role of catalyst is to increase the rate of chemical reaction by lowering the activation energy.

Most of the chemical reactions are slow in the absence of enzyme but in the presence of enzyme, the reaction become faster. That means the Enzyme accelerate the rate of reaction.

Therefore, the correct answer is the reaction is faster than the same reaction in the absence of the enzyme.

5 0
2 years ago
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a

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