Which of the following is not a substance?

1. methanol

2. milk

3. copper

4. water

Perform an on-line search to discover what conditions are favourable to the growth of moss. be sure to include a comment on ph conditions.

Calculate the volume of 0.44 miles of C2H6 at STP

What mass of NaC6H5COO should be added to 1.5 L of 0.40 M C6H5COOH solution at 25 °C to produce a solution with a pH of 3.87 given that the Ka of C6H5COOH is 6.5*10-5 and the molar mass of NaC6H5COO is 144.1032 g/mol?

Maple syrup, which comes from the sap of maple trees, is a mixture of water and natural sugars. It's a clear, brown liquid. It's homogeneous, and the sugars cannot be separated by filtration or centrifuge. What type of mixture is it? A. suspension B.

Which statement is true regarding the sublimation of dry ice (solid co2?

The use of fertilizers in agriculture has significantly altered several nutrient cycles including:

If 31.6 g of KMnO4 is dissolved in enough water to give 160 mL of solution, what is the molarity? AND what mass of oxalic acid, H2C204, is required to make 300 mL of a. 74 M solution?

From where do the kinetic tiles collect energy?

For the reaction 2Fe + 3Cl2 → 2FeCl3 which of the following options gives the correct reactant:reactant ratio? Fe:Cl2 = 1:1 Fe:Cl2 = 2:3 Fe:Cl2 = 3:2 Fe:FeCl3 = 1:1

A 2.575 g piece of gold (specific heat = 0.129 J/g°C) at a temperature of 75°C is placed into cold water at 10°C. If the gold loses 10.0 J of energy, what is its final temperature in the water? Enter your answer to the nearest whole number of °C.