Landon's new toy arrived in the mail covered in foam packing peanuts. The foam packing peanuts have a mass of 30 g and a volume of 60 cm3. What is the density?

2 g/cm3
180 g/cm3
0.5 g/cm3
2

Answers

Answer 1
Here’s your answer 0.5 g/cm3
Answer 2
2 g / cm3 18g/cm3 one is 0.5G/ cm3 and the other 2 g / cm 4

Related Questions

Hydrogen peroxide is commonly used to clean cuts and wounds. Its chemical formula is
H2O2. This compound has _____.

two atoms of hydrogen
three atoms of oxygen
three atoms of hydrogen
one atom of oxygen

Please help, take your time!

Answers

Answer:

two atom of hydrogen,two atom of oxygen

two atoms of hydrogen and two atoms of oxygen

why is compound not a mixture?

Answers

Compound is a pure substance containing two or more elements that are chemically combined in a fixed ratio but mixture is made up of two or more substances that are not chemically combined.
The way my chemistry professor explained it was compounds are from the same side (nonmetals), so they don’t necessarily mix well. It would be different if it was an ionic bond, because ionic bonds are when metals and nonmetals mix.

Choose all the answers that apply.

Nitrogen has an atomic number of 7. Its atomic mass is 14. Nitrogen has _____.

seven electrons
seven neutrons
seven electron shells
23 neutrons
14 electrons

Please help (:

Answers

Seven electrons. The atomic number of a element is also the amount of protons and electrons it has.
As atomic Number is number of protons Or number of electrons so
N has 7 electrons
Neutrons= Mass no.- Atomic Number
= 14-7
N has 7 neutrons
N doesn’t have 7 electron shells because shell 1 can hold 2 electrons and shell 2 can hold 8 electrons
It doesn’t have 23 neutrons and 14 electrons

So, Seven Electrons and seven neutrons is correct

Describe how the Rube Goldberg device design that you created follows the law of conservation of energy. Be sure to include both parts of the law of conservation of energy in your description.

Answers

Rube Goldberg machines follows law of conservation of energy. In this machine when marble rolls down from top it has kinetic energy.
In this machine, a various instant kinetic energy is transferred into potential energy and vice-versa , so the total energy remain conserved. Thus Rube Goldberg machines follows law of conservation of energy. In this machine when marble rolls down from top it has kinetic energy.
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