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aleksandr82 [10.1K]
3 years ago
10

Which nuclear decay emission has the weakest penetrating power?

Chemistry
1 answer:
Romashka [77]3 years ago
3 0
Alpha particle is the nuclear decay emission that has the weakest penetrating power. The correct option among all the options that are given in the question is the first option or option "1". Gamma is a type of radiation and so can be negated as a particle. Alpha particles have the largest radiation and so the weakest penetrating power.
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Some enzymes have one or more sulfhydryl (thiol) groups that are important to enzymatic activity but that can react upon standin
Jlenok [28]

Answer:

A. Protein disulfide is oxidized.

Explanation:

When thiol reagents are introduced with some protein solutions they react with molecules of disulfide and oxidize the protein. There occurs inter-conversion of thiol molecules into free disulfide molecules. The DTT reduces the disulfide molecules bonds of proteins and it starts to peptide.

3 0
3 years ago
Select the statements that describe a method which can be used to make a buffer. (A) Partially neutralize a strong acid solution
Hunter-Best [27]

Answer:

B) Add appropriate quantities of weak acid and its conjugate base to water.

C) Partially neutralize a weak acid solution by addition of a strong base.

(D) Partially neutralize a weak base solution by addition of a strong acid.

Explanation:

A buffer solution is made by a weak acid and its conjugated base or a weak base and its conjugated acid.

If you add a weak acid to water, you can adjust the pH of the buffer solution by adding a strong base.

If ypu add a weak base to water, you can adjust the pH of the buffer solution by adding a strong acid.

3 0
3 years ago
Read 2 more answers
Element 2 is:<br> A) Cobalt<br> B)Chlorine <br> C)Calcium<br> D)Carbon
saul85 [17]

Answer:

D: Carbon

Explanation:

Carbon is the sixth element with a total of 6 electrons in the periodic table. Hence the atomic number Z = 6. The ground state electron configuration of carbon is 1s2 2s2 2p2. An excited state electron configuration of carbon is 1s2 2s1 2p3.

4 0
3 years ago
2. How much heat is released when 432g of water cools down from 710C to 180C?
nadya68 [22]
The heat released by the water when it cools down by a temperature difference AT

is Q = mC,AT

where

m=432 g is the mass of the water

C, = 4.18J/gºC

is the specific heat capacity of water

AT = 71°C -18°C = 530

is the decrease of temperature of the water

Plugging the numbers into the equation, we find

Q = (4329)(4.18J/9°C)(53°C) = 9.57. 104J

and this is the amount of heat released by the water.
7 0
3 years ago
which of the following cannot be considered a single phase? a) a pure solid b) a pure liquid c) a homogeneous mixture d) a heter
Trava [24]
The question is asking to choose among the following choices is cannot be considered as a single phase and base on my further research and understanding about the sad topic, I would say that the answer would be <span>d) a heterogeneous mixture. I hope you are satisfied with my answer </span>
8 0
3 years ago
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