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3 years ago

The name of an alkyl group that contains THREE carbon atoms is____

Chemistry

1 answer:

tester [92]3 years ago

5 0

Answer:

The answer is "Propyl"

Explanation:

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The daily dose for aspirin recommended by doctors is 81 mg/ day to reduce heart disease. a) In a week how many milligrams are ad

V125BC [204]

Answer:

a)567mg

b)0.567 grams

Explanation:

There are 7 days in a week, so we multiply the number of weeks by the number of daily dosage.

81mg*7=567mg

1 gram is 1000 mg

we divide 567 by 1000 to get the value in grams

7 0

3 years ago

Automobile airbags inflate due to the formation of nitrogen gas from the chemical reaction 2NaN3(s)⟶3N2(g)+2Na(s) Identify the n

Vera_Pavlovna [14]

First part:

2 atoms of Na

6 atoms of N

Second part:

2 atoms of N

2 atoms of Na

Why?

We are given the chemical reaction, so, we can extract the number of atoms for both reactants and products.

We are given the chemical equation:

$2NaN_{3}=3N_{2}+2Na$

We can rewrite it as follow:

$2(NaN_{3})=3N_{2}+2Na$

From the reactants, we have:

$2(NaN_{3})$

$2Na=2atoms\\2N_{3}=2*3=6atoms$

From the products we have:

$3N_{2}+2Na$

$3N_{2}=3*2=6atoms$

$2Na=2atoms$

Hence, we have that:

There are 6 atoms of N in the reactants and 6 atoms of N in the products.

and

There are 2 atoms of Na in the reactants and 2 atoms of Na in the products since we have a balanced equation.

Have a nice day!

6 0

3 years ago

Please answer!

evablogger [386]

1.) A compound is a substance that originates from two or more separate elements. It shares some similarities with a mixture.

2.) A compound has quite different properties from which it was formed. It also cannot be separated easily. Compounds are formed by chemical reactions.

3.) A pure substance has a constant composition and has consistent properties. It can be a compound or an element, but its composition is constant.

Hope this helps. :)

5 0

3 years ago

Which of the following structers is formed when fertilization occurs

kaheart [24]

I believe the answer would be C

5 0

4 years ago

87 g of oxygen gas would occupy how many liters of volume at stp

loris [4]

Number of mole : mass/ molar mass

87g/ (2 x 16) = 2.719 mol

volume = number of mole x molar volume
volume = 2.719 x 22.4
volume = 60.906 L

8 0

4 years ago