Describe how the law of conservation of energy is demonstrated in this laboratory activity.

What salt is produced in each of the following neutralization reactions? HNO3 (aq) + KOH (aq) →H2O (l) + ? HNO3 (aq) + Ca (OH) 2 (aq) →H2O (l) + ? HCl (aq) + Ca (OH) 2 (aq) →H2O (l) + ? HCl (aq) + KOH (aq) →H2O (l) + ?

Many popular beverages are sold in two-kilo bottles. true or false

Given the number of mols equal to 1.28 and the molarity equal to 3.4M, determine the number of liters of solution

What is the percent by mass of hydrogen in, C9H6O3

Explain how iodine can be obtained from iodine-sodium chloride mixture

1 75 ml of lemon juice are added to 50 ml of water. What is the percent by vo of the solute?

How many moles of tungsten atoms are in 4.8 x 1025 atoms of tungsten?

At what speeds do you criuse down the track of a roller coaster

A sample of hydrogen gas is mixed with water vapor. The mixture has a total pressure of 755 torr and the water vapor has a partial pressure of 24 torr. What amount (in moles) of hydrogen gas is contained in 1.55 L of this mixture at 298 K?

Both equation I and II are balanced, but equation II is the correct way to write the balanced equation. Why do you think this is? (Hint: Think fractions.) I) 2 SnO2 + 4 H2 → 2 Sn + 4 H2O II) SnO2 + 2 H2 → Sn + 2 H2O