3 years ago

Sodium metal reacts is with water to form sodium hydroxide and hydrogen gas.Why is this a chemical change?

Chemistry

1 answer:

AfilCa [17]3 years ago

3 0

Because you introduce two reactants, causing them to produce a new chemical product. :)

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What are the types of connective tissue? Describe each type, and give an example of each.

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Answer:

he major types of connective tissue are connective tissue proper, supportive tissue, and fluid tissue. Loose connective tissue proper includes adipose tissue, areolar tissue, and reticular tissue.

Explanation:

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3 years ago

A bulldozer does 15,000 J of work lifting dirt 15 m up to get it out of a hole. How much force did the bulldozer use to accompli

nika2105 [10]

Answer:

<h3>The answer is 3000 N</h3>

Explanation:

The amount of force can be found by using the formula

$f = \frac{w}{d} \\$

w is the workdone

d is the distance

From the question we have

$f = \frac{15000}{5} \\$

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2 years ago

Might be hard to read but i do not understand what the “K” means.

alexdok [17]

it means kinetic energy

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3 years ago

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An empty beaker is weighed and found to weigh 23.1 g. Some potassium chloride is then added to the beaker and weighed again. The

GuDViN [60]

Answer:Mass of Potassium chloride =1.762g

Explanation:

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Mass of Potassium chloride = Final weight - initial weight = Mass of beaker with Potassium chloride - Mass of empty beaker = 24.862-23.100 = 1.762g

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3 years ago

Because of friction?

Zanzabum

Answer:

what do you mean?

Explanation:

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2 years ago

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