when you drop a block of metal into water, you find that the metal sinks. what happens if you drop a smaller block of the same metal into water?

A solution is created by dissolving 13.0 grams of ammonium chloride in enough water to make 325 mL of solution. How many moles of ammonium chloride are present in the resulting solution?

Which of the following is an example of a synthesis reaction? A. H2 + Br2 → 2HBO B. NaCl → Nat + CI C. 2H20 + 2Na → 2NaOH + H2 D. Mg + H2SO4-→ MgSO4 + H2

what is the amount of heat, in joules, required to increase the temperature of a 49.5-gram sample of wanted from 22c to 66c

How does energy move

What is the chemical properties of methane?

Zinc phosphide, Zn3P2, is often used as a rat poison. Phosphorus has 5 valence electrons. How many valence electrons does each zinc atom lose?

Nonrenewable resources are?

Watch the animation, then check off the samples that will conduct electricity. Check all that apply. View Available Hint (s) Check all that apply. NaCl solution Solid NaCl Solid sugar Sugar solution

Burning wood represents a chemical change. True or False?

Why are phosphates in laundry detergent