What is a striking a match an example of

Consider the chromate-dichromate equilibrium shown where the chromate ion appears yellow, and the dichromate ion is orange. determine how the equilibrium will be affected by the ph change and fill in the the statements accordingly.

A hydrate of CuSO4 has a mass of 12.98 g before heating. After heating, the mass of the anhydrous compound is found to be 9.70 g. Explain how you would determine the formula of the hydrate and then write out the full name of the hydrate.

Why do we not have solar and lunar eclipses every month?

The complete combustion of ethanol, c2h50h (fw = 46.0 g/mol), proceeds as follows: c2h50h (l) + 3 02 (g) - --→ 2 c02 (g) + 3 h20 (l) llh = - 555 kj what is the enthalpy change for combustion of 4.0 moles of c2h50h?

Explain why automobile owners in severe northern climates often add air to their tires in the wintertime and release some air from the same tires in the summertime

What is the nearest noble gas in sulfur

The word atom comes from a Greek word that means

What is the rate of acceleration of 2000 kilogram truck if a force of 4200 n is used to make it start moving forward

For the chemical reaction H2 + CO2 → H2O + CO, the energy contained in the reactants is 394 kJ, and the energy contained in the products is 352 kJ, assuming 1 mol of each substance is present. Which of the following statements is true? A.

Why is particle size important in a heterogeneous catalyst