How many moles of helium are in a balloon filled with 6.02 x 1025 atoms of helium?

Why do carbs and fats have the same atoms, but store different amount of energy?

An aqueous solution of glucose has molality of 6.81 and a density of 1.2 g/ml what is the molarity of glucose in the solution

Which statement is true about nuclear fusion? It is caused by the same process that causes nuclear fission. It does not occur naturally in the solar system. It has very low activation energy.

When group 2 elements form ions they?

When a negatively charged object moves in the opposite direction of an eletric field the potential energy of the object ... A. Becomes zero B. inceases C. decreases D. stays the same

What ionic bond occurs between what particles? A. Two Negative Ions B. A positive and negative ion C. Two positive ions D. Two neutral atoms

Which of the following are good traits of a hypothesis? it will be able to be tested it can predict an outcome it will explain the observations all of these

What is the mass of a box of nails

In a phase change of water between the liquid and the gas phases, 770.1 kJ of energy was released by the system. What was the product, and how much of it was formed in the phase change? (dа ta: H₂O (l) → H₂O (g) ΔH = 44.01 kJ/mol.) A.

Explain the problem surrounding the ammonia-making process in terms of chemical equilibrium. Chemical equation for producing ammonia: N2 + 3H2 ⇌ 2NH3 + energy