A car travels 300 km in 6 hours. What is the average speed of the car (in km/hr) ?

Problem 3.100 a chemical plant uses electrical energy to decompose aqueous solutions of nacl to give cl2, h2, and naoh: 2nacl (aq) + 2h2o (l) →2naoh (aq) + h2 (g) + cl2 (g) part a if the plant produces 1.

If a rectangle block measures 118.87 cm by 29.87cm by 2.30cm and has a mass of 4.9957kg what is the density of the material in g/ml

Methane and hydrogen sulfide form when hydrogen reacts with carbon disulfide. Identify the excess reagent and calculate how much remains after 36 L of H2 reacts with 12 L of CS2. 4H2 (g) + CS2 (g) → CH4 (g) + 2H2S (g)

Which is likely to have the strongest metallic bonds A. Magnesium B. iron C. lithium D. potassium

When 96 grams of water are produced how many grams of hydrogen must react according to the equation 2H2+O2 react to form 2H2O?

What are Photosyntheis? . how plants make their food . how aminal hurt . how plant get water . how rain is made

How do you find the percent composition of CuBr2

Describe the relationship between Sun Angle and Sun Length. Explain this change occurs ... ?

What is an isotope? how is the mass calculated?

How many liters of hydrogen are needed to produce 34 grams NH3