Which are risks of using nuclear power plants to generate electricity? Check all that apply.

2 answers:

4 0

<span>Nuclear power plants produce highly toxic waste that breaks down very slowly. Nuclear power plants require mining to obtain fuel. Nuclear power plants rely on complex control systems that can fail due to human error.</span>

liraira [26]4 years ago

4 0

Nuclear power plants produce highly toxic waste that breaks down very slowly. Nuclear power plants rely on complex control systems that can fail due to human error. Nuclear power plants require mining to obtain fuel.

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Read the passage.

8090 [49]

1. How do the different stages of development affect a person’s ability to react to situations? Explain briefly.

4 0

3 years ago

How many molecules are in 1.5 moles of carbon dioxide

Karo-lina-s [1.5K]

Answer:

<h2>9.03 × 10²³ molecules</h2>

Explanation:

The number of molecules can be found by using the formula

N = n × L

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

N = 1.5 × 6.02 × 10²³

We have the final answer as

<h3>9.03 × 10²³ molecules</h3>

Hope this helps you

3 0

3 years ago

What is the specific latent heat of fusion for a substance that takes 550 KJ to melt 14 KG at 262 K?

Arte-miy333 [17]

Answer:- The right choice is A. $3.9*10^4\frac{J}{kg}$ .

Solution:- Latent heat of fusion means the heat required to melt the solid at constant temperature means there is no change in temperature only the solid changes to liquid. So, it is a solid to liquid phase change.

$q=m*\Delta H_f_u_s$

where q is the heat required to convert solid to liquid, m is the mass and $\Delta H_f_u_s$ is the latent heat of fusion.

From given info, 550 kJ that is 550000 J of heat is required to melt 14 kg of solid at 262K temperature. Let's rearrange the equation for latent heat of fusion and plug in the values in it.

$\Delta H_f_u_s=\frac{q}{m}$