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3 years ago

Problems: Upload your work for all 5 questions when you are on the last question.

Chemistry

1 answer:

elena-14-01-66 [18.8K]3 years ago

6 0

Answer:

1.08 M

Explanation:

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2. What are the characteristics of an acid (at least 3)?

arlik [135]

Answer:Acids taste sour, react with metals, react with carbonates, and turn blue litmus paper red. Bases taste bitter, feel slippery, do not react with carbonates and turn red litmus paper blue.

Explanation:

Sour taste (though you should never use this characteristic to identify an acid in the lab)

Reacts with a metal to form hydrogen gas.

Increases the H+ concentration in water.

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3 years ago

What is co-wolent bond?<br><br>

alex41 [277]

Answer:

Explanation:

This is a bond with reacts with metal's

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2 years ago

Estradiol is a female sexual hormone that causes maturation and maintenance of the female reproductive system. Elemental analysi

Ipatiy [6.2K]

Answer:

The molecular formula of estradiol is: $C_{18}H_{24}O_2$ .

Explanation:

Molar mass of of estradiol = M= 272.37 g/mol

Let the molecular formula of estradiol be $C_xH_yO_z$

Percentage of an element in a compound:

$\frac{\text{Number of atoms of element}\times \text{Atomic mass of element}}{\text{molecular mass of element}}\times 100$

Percentage of carbon in estradiol :

$\frac{x\times 12 g/mol}{272.37 g/mol}\times 100=79.37\%$

x = 18.0

Percentage of hydrogen in estradiol :

$\frac{y\times 1g/mol}{272.37 g/mol}\times 100=8.88\%$

y = 24.2 ≈ 24

Percentage of oxygen in estradiol :

$\frac{z\times 16 g/mol}{272.37 g/mol}\times 100=11.75\%$

z = 2

The molecular formula of estradiol is: $C_xH_yO_z:C_{18}H_{24}O_2$

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3 years ago

hich metal will displace nickel in a compound? A. Arsenic B. Tin C. Zinc D. Platinum

Bess [88]

Hello there,

The answer to your question is:

C. Zinc

Hope this answer helps you.

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3 years ago

- A jackrabbit's powerful legs are an example of a

dusya [7]

Answer:

I think it is b.

Explanation:

8 0

3 years ago

Read 2 more answers