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allsm [11]
3 years ago
9

1. How many isotopes does hydrogen have?

Chemistry
2 answers:
Illusion [34]3 years ago
7 0

Answer:

Hydrogen has three isotopes.

Explanation:

I hope this helps!

:)

natima [27]3 years ago
6 0

Answer:

There are 3 isotopes of the element hydrogen.

Explanation:

hydrogen, deuterium, and tritium.

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How would u describe the cells that make up the parts of your eye?​
aleksandrvk [35]

Answer:

optical (optic is the word used for referring to the eye ie optic nerve)

Explanation:

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3 years ago
After learning about climate change in her science class, selena wants to make a few changes at home so she can affect climate c
ivanzaharov [21]

Selena can change from burning fossil fuel in her home to using solar energy.

<h3>What causes climate changes?</h3>

Climate change is caused by the release of the greenhouse gases which is gotten through the use and burning of fossil fuels such as coal.

The use of solar panels and solar energy by Selena in her house can help adjust the climate changes by decreasing the amount of greenhouse gases released into the atmosphere.

Learn more about greenhouse gases here:

brainly.com/question/20349818

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8 0
2 years ago
A car manufacturer needs to assemble the maximum number of cars using the following equation: 1 body frame + 4 wheels + 2 headli
larisa [96]

The wheels will be completely used up and  it is the limiting reactant in this case.

<h3>What is a limiting reactant?</h3>

The limiting reactant is the reactant that is completely used up in a reaction, and thus determines when the reaction stops.

  • 60 breaks will be used for 30 engines and 30 body frame
  • 80 wheels will be used for 20 engines and 20 body frame
  • 64 headlights will be used for 32 engines and 32 body frame

The wheels will be completely used up and  it is the limiting reactant in this case.

Learn more about limiting reactants here: brainly.com/question/14222359

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8 0
2 years ago
A 1.0 M H2S solution has a pH = 3.75 at equilibrium. What is the value of Ka?
MrRa [10]
The answer is 3.16*10-8
7 0
3 years ago
Read 2 more answers
Two positively charged objects (N pole) are separated by a large distance. One of the positively charged objects (N pole) is rep
Eddi Din [679]

Answer:

B

Explanation:

Applying law of electrostatic which states that like charges repel each other and unlike charges attract each other

N and S are unlike charges that turn and make the former repulsive force (due to two like charges N and N)to <em>reduce</em> and attractive force between N and S to <em>increa</em><em>se</em>

6 0
3 years ago
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