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Jlenok [28]
3 years ago
6

What type of radioactive decay involves two protons and two neutrons?

Chemistry
1 answer:
Arturiano [62]3 years ago
3 0
Q. What type of radioactive decay involves two protons and two neutrons?


A. Alpha emission
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Which salt shows the least change in solubility from 0 ⁰ – 100 ⁰ C?
MrRissso [65]

Answer:

From the solubility curve, which salt shows the least change in solubility as the temperature increases? NaCl

Explanation:

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2 years ago
Under which of the following conditions would a chemical reaction most likely proceed at the fastest rate?
Valentin [98]
<h2>Answer:</h2>

Option A is correct

Adding an enzyme to decrease the activation energy of the reaction

<h2>Explanation:</h2>

Enzymes are the biological catalyst. They are proteins in nature. They are naturally found in humans,animals,micro-organisms,plants etc. They catalyze the chemical reactions by lowering activation energy and without being consumed in it.

6 0
2 years ago
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Calculate the equilibrium constant for the reaction using the balanced chemical equation and the concentrations of the substance
Oliga [24]

Answer:

4.75 is the equilibrium constant for the reaction.

Explanation:

CO(g)+H_2O(g)\rightleftharpoons CO_2(g)+H_2(g)

Equilibrium concentration of reactants :

[CO]=0.0590 M,[H_2O]=0.00600 M

Equilibrium concentration of products:

[CO_2]=0.0410 M,[H_2]=0.0410 M

The expression of an equilibrium constant is given by :

K_c=\frac{[CO_2][H_2]}{[CO][H_2O]}

K_c=\frac{0.0410 M\times 0.0410 M}{0.0590M\times 0.00600 M}

K_c=4.75

4.75 is the equilibrium constant for the reaction.

3 0
2 years ago
Which physical property does the inventor need to consider when choosing a
adelina 88 [10]

Answer:

A.

............

Explanation:

Ductility

6 0
3 years ago
What is the correct order of the steps in the scientific<br> method?
Gnom [1K]

Answer:

Make an observation.

Ask a question.

Form a hypothesis, or testable explanation.

Make a prediction based on the hypothesis.

Test the prediction.

Iterate: use the results to make new hypotheses or predictions.

Explanation:

7 0
3 years ago
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