3 years ago

Which type of decay does not involve the decaying atom's atomic number to change?

Chemistry

1 answer:

Reika [66]3 years ago

6 0

Answer:

c-gamma decay

Explanation:

In gamma decay, neither the atomic number or the mass number is changed

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Which event occurs during a high tide?

sammy [17]

Answer:All of Earth's ocean levels rise. The moon's orbit is closer to Earth

Explanation:

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3 years ago

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This compound, an eight-carbon alkane, serves as the 100 octane standard for gasoline. It has five methyl groups, one quaternary

Reika [66]

Answer:

2,2,4-Trimethyl-pentane

Explanation:

Structural characteristics of the compound is as follows:

Has five methyl group
Has one quaternary carbon
No. double bond
Gives four monochloro substitution products

Compound must have straight chain of 5 carbons.

Three methyl substituents are attached to 2 and 4 carbons.

Therefore, IUPAC name of the compound will be 2,2,4-Trimethyl-pentane.

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3 years ago

In an acid-base neutralization reaction 38.74 ml of 0.500 m potassium hydroxide reacts with 50.00 ml of sulfuric acid solution.

DaniilM [7]

Answer:

0.2 M.

Explanation:

For the acid-base neutralization, we have the role:

The no. of millimoles of acid is equal to that of the base at the neutralization.

X is the no. of reproducible H⁺ (for acid) or OH⁻ (for base),

M is the molarity.

V is the volume.

For KOH:

X = 1, M = 0.5 M, V = 38.74 mL.

For H₂SO₄:

X = 2, M = ??? M, V = 50.0 mL.

∴ M of H₂SO₄ = (XMV) KOH/(XV) H₂SO₄ = (1)(0.5 M)(38.74 mL)/(2)(50.0 mL) = 0.1937 M ≅ 0.2 M.

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3 years ago

Which of these is an indication that a chemical reaction has occurred?

grandymaker [24]

C. The formation of precipatation

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Which example shows a community of organisms? A. a single monkey B. a group of tree monkeys C. a group of tree monkeys and a clu

DedPeter [7]

Your Answer is C because trees and monkeys are organisms cause there living.

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3 years ago