3 years ago

Most elements are O non metals O metalloids O metals O gases

Chemistry

1 answer:

Aliun [14]3 years ago

4 0

Metallioids
Explain

You might be interested in

Each year over _______ new organic compounds are produced.

antoniya [11.8K]

Each year over 100,000 new organic compounds are produce

7 0

3 years ago

Read 2 more answers

Select the correct answer.

Svetlanka [38]

Answer:

alcohol

I hope this helps you

7 0

3 years ago

This is the phase of matter with no fixed shape or volume.

madreJ [45]

By circle fraction additional number for the number

7 0

3 years ago

A 0.885 M solution of KBr whose initial volume is 82.5 mL has more water added until its concentration is 0.500 M. What is the n

4vir4ik [10]

Answer:

$V_2=146mL$

Explanation:

Hello there!

In this case, since the equation for the calculation of dilutions is:

$M_1V_1=M_2V_2$

Whereas M is the molarity and V the volume, because the final concentration is lower than the initial. Thus, since we are asked to calculate the final volume, we solve for V2 as follows:

$V_2=\frac{M_1V_1}{M_2}=\frac{0.885M*82.5mL}{0.500M}\\\\V_2=146mL$

Best regards!

4 0

3 years ago

How many liters of water can be formed if 1.65 liters of ethylene are consumed

alexandr1967 [171]

Ethylene Burns in the presence of O₂ to produce CO₂ and H₂O vapors;

C₂H₄ + 3 O₂ → 2 CO₂ + 2 H₂O

According to equation,

22.4 L (1 mole) C₂H₄ reacts completely to produce = 44.8 L (2 moles) of H₂O

So,

1.65 L of C₂H₄ on complete reaction will produce = X L of H₂O

Solving for X,

X = (1.65 L × 44.8 L) ÷ 22.4 L

X = 3.3 L of H₂O

4 0

4 years ago