Which of the following are considered greenhouse gases? select all that apply.

a. argon

b. methane

c. water vapor

d. carbon dioxide

What is the energy transformation for a toaster

How are chemical and physical properties related to chemical and physical changes?

In a candy factory, the nutty chocolate bars contain 22.0% by mass pecans. If 5.0 kg of pecans were used for candy last Tuesday, many pounds of chocolate bars were made?

How many moles of water are in 1.23 x 10 to the 18th power water molecules

How many protons and electrons are contained in an atom of element 44

What is similar to iodine by chemical characteristics

The arrangement of electrons in the orbitals of an atom

A sample of C3H8 has 4.64 * 1024 H atoms. How many carbon atoms does the sample contain?

What is the value of 200c on a Kelvin scale

Calculate the moles of new H₂ O₂ using the balanced formula below and the average moles of KMnO₄ from calculation #2. The average moles of KMnO₄ is 0.90mol. 2KMnO₄ + 5H₂O₂ + 3H₂SO₄ → K₂SO₄ + 2MnSO₄ + 8H₂O + 5O₂ Edit: I got 2.