How can we tell the difference between gases like hydrogen, oxygen, and carbon dioxide cause they all look to same?

If 10 staples have a mass of 1.33 g, what will be the mass of 225 staples? A. 29.9 g B. 169 g C. 1.69 kg D. 2.99 kg

Although the Statue of Liberty is made of copper (originally an orange-brown color), it is green because the copper has interacted with substances in the air to form new substances with different properties. This is an example of a a.

Why do you think lone pairs have such a great impact on molecular geometry?

A 6.0 mol sample of C3H8 (g) and a 20. mol sample of Cl2 (g) are placed in a previously evacuated vessel, where they react according to the equation above.

The atomic weight of Ga is 69.72 amu. There are only two naturally occurring isotopes of gallium: 69 Ga with a weight of 69.0 amu, and 71Ga with a weight of 71.0 amu. What is approximate natural abundance of the 71Ga isotope?

When pollution is removed from the air by a natural process, it

What atomic property is different in each isotope of an element?

How do carbon-12 and carbon-13 differ? Select all that apply. They have different amounts of neutrons. They have different atomic charges. They have different mass numbers. They have different amounts of electrons.

Why arent the jaguars and sloths growing and thriving?

If a spoon is hot after leaving it on the pot that was on the stove. What heat transfer is that.