The speed of light is (2.998x108/3.00x109) meters per second.

The acid-base reaction between phosphoric acid (H3PO4) and calcium hydroxide (Ca (OH) 2) produces water and calcium phosphate (Ca3 (PO4) 2)). For each mole of calcium phosphate produced by this reaction, how many moles of water are produced

How does the heat of the cocoa change when a marshmallow is added

The reaction between nitrogen dioxide and carbon monoxide isNO2 (g) + CO (g) →NO (g) + CO2 (g) The rate constant at 701 K is measured as 2.57 M-1⋅s-1 and that at 895 K is measured as 567 M-1⋅s-1. The activation energy is 1.5*102 kJ/mol.

Explain why there is more than one complete spectrum formed by the grating

List 2 chemical formulas that have the same empirical formula

How much MnO2 (s) should be added to excess HCl (aq) to obtain 295 mL of Cl2 (g) at 25 °C and 735 Torr?

Why do people describe water as a universal solvent

What is litmus paper used for? To indicate if all the reactants have been used up to determine if a chemical reaction has occurred to determine pH to detect the presence of water

You open your lemonade stand with 100 lemons, 5 bags of sugar containing 6 cups each, and 10 gallons of water (16 cups per gallon). Which statement is NOT true about the production of lemonade in your stand?

For the complete combustion of 5.6dm3 of a gaseuos hydrocarbon CxHy. 28.0dm3 of oxygen gas were used, 16.8dm3 of CO2 gas and 18.0gof liquid water were produced all gases measurement were made at stp. Determine the chemical formula of the hydrocarbon