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Mkey [24]
2 years ago
5

Which group on the Periodic Table reacts violently with water by igniting hydrogen gas?

Chemistry
1 answer:
Artemon [7]2 years ago
4 0

Answer:

the answer would be Halogens

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A gas that exerts a pressure of
spayn [35]

Answer:

3.089 L

Explanation:

From the given information, provided that the no of moles and the temperature remains constant;

P_1 = 15.6 psi

V_1 = ???

P_2 = 25.43 psi

V_2 = 1.895 L

Using Boyle's law:

P_1V_1 =P_2V_2 \\ \\ V_1 = \dfrac{P_2V_2}{P_1} \\ \\  V_1 = \dfrac{25.43 \times 1.895}{15.6}  \\ \\ \mathbf{  V_1 = 3.089  \ L}

4 0
2 years ago
Are enzyme-catalyzed reactions examples of homo-<br> geneous or heterogeneous catalysis? Explain.
Tanzania [10]

Answer:Yes,enzymes are catalyzed reactions

Explanation:Enzymes are protein that speeds up chemical reactions. Enzyme catalyzed reaction are divided into two:

Homogeneous reaction

Heterogeneous reaction.

Homogeneous catalysts occupy the same phase as the reaction mixture, while heterogeneous catalysts occupy a different phase.

Acid catalysis, organometallic catalysis, and enzymatic catalysis are examples of homogeneous catalysis.

Vanadium oxide (V2 O5) is a brown/yellow solid on which the oxygen and sulfur dioxide can adsorb in order to react with each other to form sulfuric acid.

8 0
3 years ago
Can someone please answer this for me I need help I’ll give brainliest :((((
Ahat [919]
B) As water temp increases solubility increases
6 0
3 years ago
Please help this is on my exam
Vikentia [17]

Answer:

D. The time of day

Explanation:

The independent variable is the variable the experimenter changes or controls and is assumed to have a direct effect on the dependent variable

6 0
2 years ago
HELP FAST PLZ!!!!
amm1812
I would say letter D.
A is biology.
Ecology has to do with distribution of  animals.
8 0
3 years ago
Read 2 more answers
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