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4 years ago

Particle will balance the following nuclear equation? 234/91 Pa --> 234/92 U

2 answers:

6 0

The balance equation will be
234/91 Pa --> 234/92 U + a beta particle

An example of it is potassium-40 nucleus. A beta particle has a high-energy and high-speed electron in the radioactive decay. These particles ranges from 0 MeV to 4 MeV. It carry one charge only and it is positively charge, it is called positron.

Greeley [361]4 years ago

4 0

Answer : Beta particle will balance the following nuclear equation.

Explanation :

The nuclear reaction is,

$^{234}_{91}Pa\rightarrow ^{234}_{92}U+^{-1}_0\beta$

Beta particle : It forms when a neutron changes into a proton and a high-energy electron.

When the nucleus emits the beta particle, the mass number remains same and the atomic number increases by 1 and the nuclear charge increases by 1.

Hence, the Beta particle will balance the following nuclear equation.

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Which of the following gases would have the greatest kinetic energy at 300 K?

tekilochka [14]

Answer:

D. All of them would have the same kinetic energy

Explanation:

The expression for the kinetic energy of the gas is:-

$K.E.=\frac{3}{2}\times K\times T$

k is Boltzmann's constant = $1.38\times 10^{-23}\ J/K$

T is the temperature

Since, kinetic energy depends only on the temperature. Thus, at same temperature, at 300 K, all the gases which are $N_2,\ NH_3\ and\ Ar$ will posses same value of kinetic energy.

4 0

3 years ago

If you have a 4.6 L of gas in a piston at a pressure of 1.2 atm and compress the gas unit it's volume is 2.6 L, what will the ne

klio [65]

Answer:

<h3>The answer is 2.12 atm</h3>

Explanation:

The new pressure can be found by using the formula for Boyle's law which is

$P_1V_1 = P_2V_2$

Since we are finding the new pressure

$P_2 = \frac{P_1V_1}{V_2} \\$

So we have

$P_2 = \frac{4.6 \times 1.2}{2.6} = \frac{5.52}{2.6} \\ = 2.1230769...$

We have the final answer as

Hope this helps you

8 0

3 years ago

For each of the following, indicate if the number of half-lives elapsed is:

Hunter-Best [27]

Answer:

a. one half-life

b. three half-lives

c. two half-lives

Explanation:

The number of half-lives elapsed, n, is calculated dividing the time by the half-life time:

n = time / half-life time

a. A sample of Ce-141 with a half-life of 32.5 days after 32.5 days

n = 32.5 days / 32.5 days = 1 half-life

b. A sample of F-18 with a half-life of 110 min after 330 min

n = 330 min / 110 min = 3 half-lives

c. A sample of Au-198 with a half-life of 2.7 days after 5.4 days

n = 5.4 days / 2.7 days = 2 half-lives

4 0

3 years ago

Acid base reaction is called nuetralization reaction why?

Lesechka [4]

Answer:

Explanation:

You have an acid that is acidic or a base that is basic. When you mix the two, they form water (assuming those are bronsted-lowry acids and bases) which is neutral.

3 0

3 years ago

Read 2 more answers

Answer this plz I'm desperat

lord [1]

The problem the answer u are looking for a

8 0

3 years ago