Water is a compound because it (1 point) • can be broken down into simpler substances. • always has two hydrogen atoms for each oxygen atom. • is made of water atoms joined together. • both a and b which of the following is a heterogeneous mixture? (1 point) • water in a swimming pool • sugar water • a jar of mixed nuts • stainless steel,

Water at room temperature of 20.0°c is poured into an aluminum cylinder which has graduation markings etched on the inside. the reading in the graduations is 300.0 cc. the cylinder with the water in it is then immersed in a constant temperature bath at a temperature of 100°c. what is the reading for the level of water on the graduations of the cylinder after the water and the cylinder reach thermal equilibrium with the bath? the volume coefficient of expansion of water is 2.07 x 10^-4 k-1, and the linear coefficient of expansion of aluminum is 23.0 x 10^-6 k-1. a) 305.0 cc b) 304.0 cc c) 303.5 cc d) 303.3 cc e) 304.5 cc

Which is the best for showing percentages of different types of cars sold(gas hybrid , electric , other ) in the united states ?

An ideal gas is held in a container at constant volume. initially, its temperature is 5 degrees c and its pressure is 1.2 atm. what is its pressure when its temperature is 43 degrees c? answer in units of atm