When a candle is cooling down is it a physical or chemical change

Identify the missing reagents 1 & 2; draw the final organic product (s) c.

What are the oxidizing agents, and the reducing agents for 2Na (aq) + 2H2O (l) →2NaOH (aq) + H2 (g) C (s) + O2 (g) →CO2 (g) 2MnO-4 (aq) + 5SO2 (g) + 2H2O (l) →2Mn2 + (aq) + 5SO2-4 (aq) + 4H + (aq)

Consider two solutions: one formed by adding 10.0 grams of glucose (C6H12O6) to 1.0 L of water and another formed by adding 10.0 grams of sucrose (C12H22O11) to 1.0 L of water.

A solution was prepared by mixing 50.00 ml of 0.100 M of HNO3 and 100.00 ml of 0.200 M HNO3. Calculate the molarity of the final solution of nitric acid

A formulation scientist is creating a formula for a new product that requires the following compounds: barium chloride, silicon oxide, and calcium carbonate. Are these chemicals named properly? If not, why?

How do you find the ph of water

How many total electron will fit in the 1st energy level

Which statement best explains how the models differ? Model A shows the formation of ions, and model B does not show the formation of ions. Model A does not show the formation of ions, and model B shows the sharing of electrons.

What is the enthalpy of combustion (per mole) of C3 H8 (g) ?

Describe how speed, velocity and acceleration are related?