Why does a leaf look green in the summer?

Which is a property of most nonmetallic solids? (1) high thermal conductivity (2) high electrical conductivity (3) brittleness (4) malleability

Explain why a sodium atom and a chlorine atom undergo an iconic bond?

Imagine that you mix 50g of a solute with 100g of water at 40 degrees celsius. Classify each solute by whether it would completely or partially dissolve under these conditions. NaNo3, K2Cr2O7, KCl, KClO3, KNO3

Which of the following is NOT a way to increase the solubility of a solid in water? A crushing the solid shaking the mixture of solid and water raising the temperature of the water letting the mixture stand still a long time

A teacher wants to prepare a 0.010 ppm solution of arsenic pentoxide in the laboratory for calibrating a water quality testing system. If the teacher uses 500.0 mL of water (which has a mass of 500.

What is the chemical formula for coper (ll) hydroxide?

A 1.50-g sample of hydrated copper (II) sulfate was heated carefully until it had changed completely to anhydrous copper (II) sulfate () with a mass of 0.957 g. Determine the value of x.

The reaction rate between reactants Z and Y is proportional to the cube of [Z]. What is the rate law for this reaction?

A metal surface becomes dull because of continued abrasion. chemical or physical

What types of tissues build the digestive system?