3 years ago

HELP PLS EEEEEEEEEEEEEEEEEEEE

Chemistry

2 answers:

Anika [276]3 years ago

6 0

I think it’s B!! Good luck

stepladder [879]3 years ago

3 0

Answer:

what do you help with

Explanation:

You might be interested in

How many bonded pairs of electrons are there in the molecule NOCl?<br> A)2<br> B)3<br> C)4<br> D)5

iren2701 [21]

There are 2 covalent bonds between the Nitrogen and Oxygen, and 1 between the Nitrogen and Chlorine.

It should be 3.

3 0

3 years ago

Explain why the boiling point of H2S with relative molecular mass 34 is lower than that of H2O with relative molecular mass 18

Levart [38]

Answer and Explanation:

In H2O molecules, due to formation of intermolecular hydrogen bonds, there is molecular association. Large amount of energy is required to break these intermolecular hydrogen bonds. Intermolecular hydrogen bonding is not possible in H2S. Hence, its boiling point is lower and is a gas.

4 0

3 years ago

If we know the specific heat of a material, can we determine how much heat is released under a given set of circumstances?

Alekssandra [29.7K]

Answer:

Yes

Explanation:

literally have no idea i just got it right on ck-12 lol

6 0

3 years ago

A sample of 7.34 g of solid calcium hydroxide is added to 34.5 mL of 0.380 M Aqueous hydrochloric acid.Write the balanced chemic

oksian1 [2.3K]

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

Explanation:

A double displacement reaction is one in which exchange of ions take place. The salts which are soluble in water are designated by symbol (aq) and those which are insoluble in water and remain in solid form are represented by (s) after their chemical formulas.

A double displacement reaction in which one of the product is formed as a solid is called as precipitation reaction.

The balanced chemical equation is:

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

6 0

3 years ago

Calculate the density of a substance for which 4.78 x 106 L of the substance has a mass of 1.50 x 107 kg. Express your answer us

valentinak56 [21]

7.89 is the correct answer I believe

4 0

3 years ago