Karen wants to make cookies but realizes that she only has 2 eggs in her refrigerator instead of the 4 she needs. How many cups of butter will she need if she only uses 2 eggs?

What is the molar mass of a gas that has density of 2.054 g/l

Why does earth rotate? because earth is formed from cold gases collapsing due to gravity because the matter in the nebula that formed earth was spinning because earth forms more than 99% of the mass of the solar system because the hydrogen atoms inside the nebula fused to form helium

Which statement about hf is true? it is zero for any compound in its standard state. it is positive when the bonds of the product store more energy than those of the reactants. it is negative when a compound forms from elements in their standard states. it is zero for any element that is in the liquid state.