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german
3 years ago
15

Can anyone answer #5 and please show work! Tysm!! :)

Chemistry
1 answer:
Vika [28.1K]3 years ago
4 0

Answer:

163.5 kilometers per hour

Explanation:

Velocity = distance/time

556/3.4 = 163.5294118

Hope this is helpful!!! :)

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I would like to help if tell me what grade this is.

6 0
2 years ago
How many grams is 5.8 moles of hydrochloric acid (HCI)?<br> Answer to the nearest 0.01 g.
Anvisha [2.4K]

Answer:

211.47 grams

Explanation:

We need to set up a dimensional analysis to solve this problem by converting from moles to grams.

First, find the molar mass of HCl. Since the molar mass of H (hydrogen) is 1.01 g/mol and the molar mass of Cl (chlorine) is 35.45 g/mol, then the molar mass of HCl is:

1.01 + 35.45 = 36.46 g/mol

We have 5.8 moles of HCl, so multiply by its molar mass:

(5.8 mol) * (36.46 g/mol) = 211.468 ≈ 211.47 g

The answer is thus 211.47 grams.

<em>~ an aesthetics over</em>

8 0
3 years ago
Read 2 more answers
What is the compound of HgS
qaws [65]

Answer:

Mercury sulfide or mercuric sulfide,

Explanation:

5 0
4 years ago
All chemical reactions either give off or absorb
o-na [289]
All chemical reactions either give off or absorb energy.
8 0
4 years ago
Carbon has an atomic number of 6. What can you conclude about carbon from this fact?
Brut [27]

Answer:

Carbon has 6 electrons in the outside and 6 protons inside.

Explanation:

Carbon has a mass number A = 12 and an atomic number Z = 6. The latter means that the element has 6 protons inside and 6 electrons in the nucleus that neutralize said positive charge.

5 0
4 years ago
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