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3 years ago

How many hydrogen atoms are in 1 molecule of isopropyl alcohol, C3H70?

Chemistry

1 answer:

Trava [24]3 years ago

7 0

Answer:

7 hydrogen atoms

Explanation:

As we can see in the formula of isopropyl alcohol, C3H70, total 7 hydrogen atoms are bound to three carbon and one oxygen atom in different manner.

Thus, it can be said that there are 7 hydrogen atoms in 1 molecule of isopropyl alcohol, C3H7O

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A defibrillator delivers about 300 joules per shock calculate the number of calories

Tanya [424]

Answer:- 71.7 calories

Solution:- it is a unit conversion problem where we need to convert joules into calories.

The unit conversion for these energy units is:

1 calorie = 4.184 joule

The given energy is 300 joules and has to be converted to calories. We will show the set up using dimensional analysis.

$300joules(\frac{1calorie}{4.184joules})$

= 71.7 calories

So, the energy in calories is 71.7.

4 0

3 years ago

Electroplating is a way to coat a complex metal object with a very thin (and hence inexpensive) layer of a precious metal, such

8_murik_8 [283]

Answer:

0.0164 g

Explanation:

Let's consider the reduction of silver (I) to silver that occurs in the cathode during the electroplating.

Ag⁺(aq) + 1 e⁻ → Ag(s)

We can establish the following relations.

1 A = 1 C/s
The charge of 1 mole of electrons is 96,468 C (Faraday's constant)
1 mole of Ag(s) is deposited when 1 mole of electrons circulate.
The molar mass of silver is 107.87 g/mol

The mass of silver deposited when a current of 0.770 A circulates during 19.0 seconds is:

$19.0s \times \frac{0.770c}{s} \times \frac{1mole^{-} }{96,468C} \times \frac{1molAg}{1mole^{-}} \times \frac{107.87g}{1molAg} = 0.0164 g$

5 0

3 years ago

Calculate the molarity of each of the following solutions. Use the periodic table if necessary.

-Dominant- [34]

Answer: 2.8

Explanation: just took the quiz

8 0

3 years ago

Read 2 more answers

Why is stainless steel harder than pure iron

lord [1]

Something made of pure iron is softer than steel because the atoms can slip over one another. If other atoms like carbon are added, they are different from iron atoms and stop the iron atoms from sliding apart so easily. This makes the metal stronger and harder.

3 0

3 years ago

Read 2 more answers

3.0 cm x 4.0 cm x 1.0 cm [?]cm^3

CaHeK987 [17]

Explanation:

Hi there!!

you asked to multiply these all right,

you can simply multiply it ,

=3cm × 4 cm × 1cm

= 12cm^2×1cm (4×3=12)

= 12cm^3 (12×1=12)

Therefore, theanswer is 12 cm^3.

Hope it helps..

4 0

3 years ago