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Dmitry_Shevchenko [17]
3 years ago
14

Scientists have discovered how to use electricity to power cars. We have all seen ads for the new hybrids on television. Running

cars on electricity could help
A: conserve gasoline.

B: the big oil companies.

C: pollute the atmosphere

D:use up mineral resources.
Chemistry
1 answer:
Trava [24]3 years ago
4 0

Running cars on electricity would conserve gasoline because electric cars do not use the same resources.

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What is the pH of a 1.9 M solution of HClO4?
Sliva [168]
The compound HClO4, when placed in water, will dissociate into the ions, H+ and ClO4-. Therefore, the 2.0 M solution will also form 2.0 M H+. The pH is calculated through the equation,
pH = -log[H+]
Substituting,
pH = -log[2] = -0.3
Thus, the pH of the solution is -0.3.
5 0
3 years ago
Calculate weight of anhydrous compound from remains upon dehydration of 2g copper sulphate pentahydrate
Greeley [361]

Answer:

1.28 g

Explanation:

Mass of anhydrous compound/molar mass of anhydrous compound = mass of hydrated compound/ molar mass of hydrated compound

Mass of anhydrous compound = ?

Mass of hydrated compound = 2g

Molar mass of anhydrous compound= 160 g/mol

Molar mass of hydrated compound = 250 g/mol

x/160 = 2/250

250x = 2 ×160

x= 2 × 160/250

x= 1.28 g

4 0
3 years ago
Provide only the major alkene product that results when n,n-dimethylhexan-2-amine undergoes cope elimination?
Fofino [41]

The major alkene  product that results when n,n-dimethylhexan-2-amine undergoes cope elimination is hexene or hex-1-ene.

The reaction in which an amine is oxidize to an intermediate called an N-oxide which , when heated , acts as base in an intramolecular elimination reaction. The oxidation of tertiary amine into N-oxide is called cope reaction.

This elimination gives the less substituted alkene along with more substituted alkene which is Zaitsev product.

Example: Cope elimination of  n,n-dimethylhexan-2-amine form hexene.

To learn more about alkene ,

brainly.com/question/13910028

#SPJ4

5 0
2 years ago
30 point. What is formed when a hydroxyl group is substituted for a hydrogen?
Andru [333]
Haloalkanes






Yeah it’s that
6 0
2 years ago
Which three factor are most important in determining the composition of ocean water
lina2011 [118]
<span>There are factors that are important to be determined for the composition of ocean water. First factor is the temperatue, by this you will be able to know the rate of evaporation of the sea. Next is the salinity, through this you will be able to know salty the sea is which will help you identify the last factor- density. The density is the most common because when there is more salt in the sea, it is less dense.</span>
6 0
3 years ago
Read 2 more answers
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