A student fills a paper cup with water and puts in a freezer overnight. When she takes the cup out the next day, she notices that the sides of the cup are pushed out. Why did this happen?

Kati was in the kitchen when she heard a crash. She went into her bedroom and found her window broken and a baseball lying on the ground. Kati said "this baseball broke my window." This statement is an A.

Are dogs considered organisms?

According to Boyle's law, for a fixed quantity of gas at a given temperature, what quantity relating pressure and volume is constant? A) PV B) P*V C) P+V D) VP

Number of Protons Number of Neutrons Atomic Number Mass Number Element (symbol) D 12 10 E F Using the periodic table, complete the table to describe each atom. Type in your answers.

Iron metal can be produced from the mineral hermatite, Fe2O3 by reation with carbon Fe₂O3 + C Fe + co2 balance the equation How many grams of carbon are needed to react with 525g of hermatite

Nonmetals rarely lose electrons in chemical reactions because?

Does a steel marble have more kinetic energy than a ceramic marble

What types of weather are associated with cold fronts?

How do you separate oil and vinegar?

A mixture of 0.438 M H2, 0.444 M I2, and 0.895 M HI is enclosed in a vessel and heated to 430 °C. H2 (g) + I2 (g) 2 HI (g) Kc = 54.3 at 430∘C Calculate the equilibrium concentrations of each gas at 430∘C.