How can you determine the number of electrons in an atom? a. valence number c. chemical number b. atomic number d. ionic number?

Consider three gases: Ar, SF6, and Cl2. If 50.0 grams of these gases are placed in each of three identical containers, which container will have the highest pressure? The volume and temperature of all three containers are the same.

Calculate e°cell for a silver-aluminum cell in which the cell reaction is al (s) + 3ag + (aq) → al3 + (aq) + 3ag (s) - 2.46 v 0.86 v - 0.86 v 2.46 v

What happens is that passes through the Catapillar's in the small intestine

How many moles of CaCl2 are required to prepare 2.00 liters of 0.700 M CaCl2?

Researchers are going into a rain forest for three days and want to travel with minimal supplies they have laptops handheld flashlight transistor radio's digital cameras and sell phones but they will not have access to power outlets or housing which

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

How many Joules are equivalent to 75 Calories?