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Novosadov [1.4K]
3 years ago
6

What happens when a chemical is determined to be dangerous?

Chemistry
1 answer:
Vlada [557]3 years ago
8 0

Answer:

b

Explanation:

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Why do scientists classify organisms?
Fittoniya [83]

Answer:

B

Explanation:

Please give brainliest

6 0
3 years ago
A sample of 8.11 g 8.11 g of solid calcium hydroxide is added to 38.0 mL 38.0 mL of 0.410 M 0.410 M aqueous hydrochloric acid. W
Andrews [41]

Answer:

The balanced chemical equation :

Ca(OH)_2(s)+2HCl(aq)\rightarrow CaCl_2(aq)+2H_2O(l)

Explanation:

When calcium hydroxide reacts with hydrochloric acid it gives calcium chloride and water as a products. The chemical equation is given as:

Ca(OH)_2+2HCl\rightarrow CaCl_2+2H_2O

According to question, solid calcium hydroxde is added to 38.0 mL of 0.410 M of HCl solution, so the chemical equation can be written as:

Ca(OH)_2(s)+2HCl(aq)\rightarrow CaCl_2(aq)+2H_2O(l)

According to stoichiometry, when 1 mole of solid calcium hydroxide reacts with 1 mole of hydrochloric acid to gives 1 mole of aqueous calcium chloride and 1 mole of water.

4 0
3 years ago
Which one has more mass a bag of cotton balls or a bag of nails and explain
Mama L [17]
You would think that the bag of nails would have more mass but their masses are identical. <span>If you were to put them both in a vacuum chamber and let them fall from a great height, they would fall the same speed. The vacuum chamber would suck all of the air out of the cotton balls, thus making it heavier and weigh the same as the bag of nails.

Hopefully this is helpful and makes sense.</span>
6 0
3 years ago
Can someone help me pleaseee
zvonat [6]

Answer:

D.

Explanation:

6 0
3 years ago
Read 2 more answers
An object has a kinetic energy of 25j and mass of 34kg how fast is the object moving
disa [49]
KE= \frac{1}{2} mv^2

KE- kinetic energy
m - mass
v- velocity
6 0
3 years ago
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