What is the volume of a sample that has a mass of 30 g and a density of 4 g/ml?

A galvanic cell has an x electrode with x 2 plus ions in the left beaker and a y electrode with y 2 plus ions in the right beaker. a salt bridge connects the two halves.

When the equation below is balanced, the coefficient of sulfuric acid, h2so4 is: nacn + h2so4 → na2so4 + hcn?

When assigning electrons to orbitals, which would be the most likely 'address' for the next electron following the 5s2 electron? 5s3 5p1 4d1 5d1

What is true about the energy involved in a chemical reaction?

A 100 g sample of metal was heated to 100 C and then quickly transferred to an insulated container holding 100g of water at 22 C The temperature of the water rose to reach a final temperature of 35 C

Which metal in Period 5 is very reactive and has two valence electrons in each atom? rubidium (RD) strontium (SI) zirconium (Z1) silver (Ag)

Sara and Sam went for a two-hour drive. According to the graph, between. 75 hours and 1.25 hours into their trip, they A) slowed down to a speed of 15km/hour. B) travelled at a constant rate of 30km/hour.

Define the following terms: acids, bases, oxoacids, oxoanions, and hydrates.

Calculate the concentration of a solution that has 6.7 moles in a volume of 0.6 liters.

Is sidewalk cement an element or a compound?