In the formation of potassium chloride, the product, KCl, has less energy than the reactants, K and Cl2. This reaction is.

What is the mass percent of each element in water

Zn (s) + 2HCl (aq) - >ZnCl2 (aq) + H2 (g) Which statement is true at STP? (The atomic mass of Zn is 65.39 u.) 2 mol of HCl produce 1 L of H2 gas. 1 L of Zn produces 1L of H2 gas. 65.39 g of Zn produce 22.4 L of H2 gas.

Is the concentration of 25 cm3 solution same as 250 cm3 solution?

Which of the following is most likely to be amorphous? -glass -solid sulfur -solid calcium -gold

When should you replace the co2 cylinder in an inflatable pfd?

Part 2: Finding Speed and Height Using Energy Directions: Use the KE and GPE equations to solve for speed or height depending on the situation. 1. A 1,000-kg car has 50,000 joules of kinetic energy. What is its speed? 2.

Why is conductivity be the best test to find a metal, non-metal or metalloid?

In which way does a na1 + ion differ from a neutral na atom?

Which would not be associated with stable atmospheric conditions afternoon thunder showers is the answer

Which is not a characteristic of a compound? It is a mixture of elements. It has properties that differ from its component elements. It has a fixed proportion of elements.