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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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3. Your friend's new car can go from 0 to 60 m/s in 7 sec. What is the acceleration?<br>​
slava [35]

Answer:

Initial velocity (u) = 0 m/s

Final velocity (v) = 60 m/s

Time (t) = 7 sec

Acceleration (a) = ?

a = (v-u)/t

a = (60-0)/7

a = 60/7

<u>a = 8.57 m/s²</u>

3 0
3 years ago
A potassium atom (atomic number 19) and a bromine atom (atomic number 35) can form a chemical bond through a transfer of one ele
Shkiper50 [21]
It may have twice as much electrons a the potassium ion.
8 0
3 years ago
Read 2 more answers
What is the most massive element?
Vsevolod [243]

I believe the most massive element that is naturally occurring on Earth is uranium (U), which has a nucleus of 92 protons

8 0
4 years ago
Which of the following statements are true? Fats that contain more unsaturated fatty acid residues than saturated fatty acid res
goldfiish [28.3K]

Answer:

The answers are in the explanation

Explanation:

Fats that contain more unsaturated fatty acid residues than saturated fatty acid residues are more likely to be liquid at room temperature. <em>TRUE. </em>The melting point of unsaturated fatty acid is lower than saturated fatty acids doing its chemicals liquid at room temperature. That is because the building blocks in saturated acids are more closer doing difficult its separation by heating.

Triacylglycerols (triglycerides) are carboxylic acids. <em>FALSE. </em>Triacylglycerols are esters of glycerol and fatty acids.

Saturated fats have lower melting points than do unsaturated fats. <em>FALSE. </em>As the first explanation, saturated fats are more closer doing difficult its separation.

Triacylglycerols (triglycerides) are composed of fatty acid residues and glycerol. <em>TRUE. </em>Triacylglycerols are esters of glycerol and fatty acids.

Unsaturated fats are more likely than saturated fats to be liquid at room temperature. <em>TRUE. </em>Unsaturated fats have a lower melting point that saturated fats.

I hope it helps!

4 0
3 years ago
Calculate the number of moles 3.16 g of KMnO4 32.33 g of K2CrO4 100 g of KHCO3
kvasek [131]
The number of moles:
3.16g of KMnO_{4}
1 mole of KMnO_{4}- 158g.
x moles of KMnO_{4}- 3.16g.
x=\frac{1\ mole*3.16g}{158g}=\frac{3.16}{158}=0.02\ mole

The number of moles:
32.33g of K_{2}CrO_{4}
1 mole of K_{2}CrO_{4}- 194g.
x moles of K_{2}CrO_{4}- 32.33g.
x=\frac{1\ mole*32.33g}{194g}=\frac{32.33}{194}=0.17\ mole

The number of moles:
100g of KHCO_{3}
1 mole of KHCO_{3}- 100.1g.
x moles of KHCO_{3}- 100g.
x=\frac{1\ mole*100g}{100.1g}=\frac{100}{100.1}=0.999\ mole


Greetings, 
n00nst00p :)
3 0
3 years ago
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