What is the balanced chemical equation for calcium with water that produces calcium hydoxide

A block has a mass of 325g and a volume of 500mL. What is its density? If water has a density (D=m/v) of 1g/mL, will the block float or sink in water? * A. 0.65 g/mL, float B. 1.54 g/mL, float C. 0.65 g/mL, sink D. 1.54 g/mL, sink

Which things are abiotic factors that are also basic needs for which living things compete?

On a flight to Europe, you notice that the packages of peanuts are puffed up. Why? 1. The jet is over-pressurized at high altitudes, thus causing the gas inside the packages to expand. 2.

In the equation: MgCl2 + Na3P - -> write the chemical formula for the compound that will be formed that contains Mg

A chemist adds 45 ml of a M mercury (II) iodide solution to a reaction flask. Calculate the micromoles of mercury (II) iodide the chemist has added to the flask. Round your answer to significant digits.

Which type of experiment follows ethical standards?

What kind of change occurs when a compound is separated into its components?

The reaction rate low is independent of which of the following charactetics • Reactor type] • Temperature • Concentration of components • Pressure

Given that the equilibrium constant for a reaction is 0.00010, what does this tell us about the position of equilibrium for that reaction?

1. Ionic compounds generally form solids because: