The mass of the rock is 1220 kg. It had 400 J of potential energy as it sits on the hill. Calculate the height

Balance αC6H14 (g) + βO2 (g) →γCO2 (g) + δH2O (g)

On a cold winter day, the heat from inside leaks out of the house, primarily through the windows. A. True B. False

The percent composition of methyl butanoate is 58.8% C, 9.8% H, and 31.4 % O and its molar mass is 102 g/mol. What is its empirical formula? What is its molecular formula?

A balloon containing 0.10 moles of gas has a volume of 2.0 liters. If temperature and pressure remain constant, what will be the new volume when 0.40 moles of gas are added to the balloon? 0.50 L 1.0 L 6.0 L 8.0 L

Why is titanium more expensive than iron

How many protons does one atom of sulfur have

Which shows the electron configuration for zinc (Zn) ? [Kr]5s24d10 [Kr]5s24d6 [Ar]4s23d9 [Ar]4s23d10

What is the oxidation number of chromium in the ionic compound ammonium dichromate (nh4) 2cr2o7?

Draw an ecosystem with 10 biotic and 5 abiotic factor

Which organism is responsible for cleanup in this ecosystem? coyote vulture prairie dog grasshopper or prairie grass