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Ann [662]
4 years ago
12

Can someone answer 12 and 13

Chemistry
1 answer:
Tatiana [17]4 years ago
4 0

HCl is lewis acid

And NH4+is conjugate acid

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Pllllzzzzzz help
Nookie1986 [14]

TMS has 12 protons which are all equivalent and four carbons, which are also all equivalent. This means that it gives a single, strong signal in the spectrum, which turns out to be outside the range of most other signals, especially from organic compounds.

8 0
3 years ago
What is one property for each of the chemical substances listed above?
Vilka [71]
1. Acetic acid (Ethanoic acid) is a colorless liquid.

2. Sodium Bicarbonate is an odorless, crystalline powder.

3. Carbon dioxide is a colorless gas.

4. Dihydrogen monoxide is colorless and odorless gas.

5. Sodium acetate is very soluble in water.

6. Calcium chloride has an exothermic reaction when dissolved in water.

7. Calcium carbonate is also an odorless powder.

8. Sodium chloride is soluble in water, and partially soluble (or insoluble) in other liquids.

Hope this helps! (:
8 0
3 years ago
Calculate the molar mass of the following compound: Ca3P2
julia-pushkina [17]

Answer:

The molar mass of the compound given is 182.182 g/mol.

Explanation:

To calculate the molar mass of the compound, we must multiply the number of moles of each element by the the individual molar mass of each element and add them together.

Let's start with Calcium.  The molar mass of Calcium is 40.078.  In this compound, we have three moles of Calcium, so we should multiply this number by 3.

40.078 g/mol * 3 mol = 120.234 g

Now, let's do the same for Phosphorus.

30.974 g/mol * 2 g/mol = 61.948 g

To find the molar mass of the entire compound, we should add these two values together.

120.234 g + 61.948 g = 182.182 g

Therefore, the correct answer is 182.182 g/mol.

Hope this helps!

6 0
3 years ago
40 POINTS!!
natali 33 [55]

I'm not sure if this is the exact answer for I do not learn this in school yet. But I hope this helps!

3 ZnS + 2 AlP = Zn3P2 + Al2S3

- Kana

4 0
3 years ago
The most common carrier of communicable diseases are
Drupady [299]

housefly

Explanation:

Because it one of the affective vector of disease carrier and it always roam towards wastes and dirty materials likely to get attracted . And it carries contagious disease from hospitals , infected patients , etc .

3 0
3 years ago
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