1. Why do scientists use a common system of measurement?

What is the correct name for the compound na3p

What volume (in mL) of a 0.500 M fructose (C6H12O6) solution can be made from 11.3 g of fructose?

A balloon is floating around outside your window. The temperature outside is - 13 ∘C, and the air pressure is 0.800 atm. Your neighbor, who released the balloon, tells you that he filled it with 3.00 moles of gas.

Where does the peak wavelength emitted by the Sun fall in the electromagnetic spectrum? in the green-blue range in the ultraviolet range in the yellow-green range in the infrared range

How many neutrons does element X have if its atomic number is 31 and its mass number is 80?

Find δe for the change in state of 1.0 molh2o (l) at 79 ∘c to h2o (g) at 116 ∘c. the heat capacity of h2o (l) = 75.3 j/molk, heat capacity of h2o (g) = 25.0 j/molk, and the heat of vaporization of h2o is 40.7*103j/mol at 100 ∘c.

Balloon A started with a volume of 1.76 L. The temperature of the room the balloon was in was 295 K. The balloon was heated to a temperature of 253.15 K. What is the new volume?

The standard internal energy change for a reaction can be symbolized as ΔU°rxn or ΔE°rxn. For the following reaction equations, calculate the energy change of the reaction at 25 °C and 1.00 bar. Sn (s) + Cl2 (g) - - - > SnCl4 (l) + H (KJmol) - 511.3.

You transfer a sample of a gas at 17°C from a volume of 5.67 L and 1.10 atm to a container at 37°C that has a pressure of 1.10 atm. What is the new volume of the gas?

What is true about the energy involved in a chemical reaction? A. The amount of energy is constant, but it is converted from one form to another. B. The amount of energy decreases as it is converted from one form to another. C.