3 years ago

Elements are pure substances made up of _____.

Chemistry

2 answers:

Elina [12.6K]3 years ago

6 0

Answer:

B.) molecules

Explanation:

mel-nik [20]3 years ago

3 0

Elements are pure substances made up of molecules

You might be interested in

Si 72g de magnesio se combinan exactamente con 48g de oxígeno para formar óxido de magnesio ¿cuantos gramos de óxido de habrán f

Stella [2.4K]

Explanation: 40Gram

7 0

3 years ago

Coal like graphite is composed of carbon. Unlike graphite, coal is formed by decayed, once living matter. Is it a mineral?

Simora [160]

Coal is not a mineral. It's not a mineral because minerals are inorganic. Coal is organic because it comes from decayed living matter.

3 0

2 years ago

In order to get lots of helium into tanks to fill kiddy balloons, they put force or pressure onto it. If i have 595 liters of he

alexandr402 [8]

Answer:

1.90 L

Explanation:

Using Boyle's law

${P_1}\times {V_1}={P_2}\times {V_2}$

Given ,

V₁ = 595 L

V₂ = ?

P₁ = 1.00 atm

P₂ = 55.0 atm

Using above equation as:

${P_1}\times {V_1}={P_2}\times {V_2}$

${1.00}\times {595}={55.0}\times {V_2}$

${V_2}=\frac{{1.00}\times {595}}{55.0}\ L$

${V_2}=1.90\ L$

<u>The volume would be 1.90 L.</u>

5 0

3 years ago

When objects touch each other, charge can be transferred by

Dovator [93]

Answer:

friction

Explanation:

electrons from one uncharged object to another uncharged object by rubbing. When two uncharged objects rub together, some electrons from one object can move onto the other object. hope this is your right

and not just a riddle

7 0

3 years ago

What does every food energy chain start with?

Zinaida [17]

Producers (autotroph)

I’m sorry if this isn’t the answer you were looking for, if so, please be more specific and I can try to help again, thank you.

8 0

2 years ago