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2 years ago

Please help me pleaseeeeeeeeeeeeeeeeeeeee

Chemistry

2 answers:

Sliva [168]2 years ago

6 0

Answer:

1. false

2.c. axis

Explanation:

I love science :)

carry on learning

GaryK [48]2 years ago

3 0

Answer:

C. axis...............

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A chemical bond is a strong attraction between two or more atoms. Can you identify the properties of different types of chemical

kakasveta [241]

Answer:

1. Ionic bond.

2.Ions

3. Covalent

4.Single bond

5. Double bond

6. Polar bond

7.Non polar bond

8. Hydrogen bond

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2 years ago

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(3 pt) The cost of a space mission is roughly $60 million. What type of obstacle to space exploration does this represent? A. fu

erastova [34]

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3 years ago

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The representative particles of a covalent compound is called

vichka [17]

Answer:

a molecule

Explanation:

A molecule is the smallest unit quantity of a compound which can exist by itself and retain ALL the properties of the original substance.

Hope that helps

have a good day

can i have brain pls

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2 years ago

Friction is a force that opposes motion. When friction is present, heat is generated.

anyanavicka [17]

Answer:

I think it is: Some of the energy is converted into thermal energy.

Explanation:

Please let me know if I am wrong so I can fix it :)

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2 years ago

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A 34.57 mL sample of an unknown phosphoric acid solution is titrated with a 0.127 M sodium hydroxide solution. The equivalence p

Bas_tet [7]

<u>Answer:</u> The concentration of unknown phosphoric acid solution is 0.034 M

<u>Explanation:</u>

To calculate the concentration of acid, we use the equation given by neutralization reaction:

$n_1M_1V_1=n_2M_2V_2$

where,

$n_1,M_1\text{ and }V_1$ are the n-factor, molarity and volume of acid which is $H_3PO_4$

$n_2,M_2\text{ and }V_2$ are the n-factor, molarity and volume of base which is NaOH.

We are given:

$n_1=3\\M_1=?M\\V_1=34.57mL\\n_2=1\\M_2=0.127M\\V_2=28.2mL$

Putting values in above equation, we get:

$3\times M_1\times 34.57=1\times 0.127\times 28.2\\\\M_1=\frac{1\times 0.127\times 28.2}{3\times 34.57}=0.034M$

Hence, the concentration of unknown phosphoric acid solution is 0.034 M

7 0

3 years ago