An unknown substance weighing 42.0g was heated from 36.0°C to 65.0°C. In this process, the substance absorbed 5895 J of energy. What is the specific heat of the substance?

In what ways are microwave and ultraviolet radiation the same? In what ways are they different?

What Le Chatelier's factors cause an increase in the concentration of Hb (CO) 4 (aq) in the Hb (CO) 4 (aq) + 4O2 (g) Hb (O2) 4 (aq) + 4CO (g)

100mL of water initially at 35°C is placed inside a calorimeter. What will be the final temperature in the calorimeter if 50g of aluminum initially at 100°C is added to the water?

Calculate [H+] for each of the following solutions, and indicate whether the solution is acidic, basic, or neutral. Part A [OH-] = 4.5*10-4 M. Express your answer using two significant figures.

How and why do ionic bonds form? Check all of the boxes that apply. Ionic bonds form between metal atoms and other metal atoms. Ionic bonds form between metal atoms and nonmetal atoms.

Which of the following is a mixture? alcohol water mercury ink

A gas occupies 3.5 L at standard pressure. Find the volume of the gas when the pressure is 1.5 atm.

What is the temperature (in K) of 16.45 moles of methane gas in a 4.95 L container at 4.68 atm?

What do we call the process by which cells obtain the energy that they need?

Which of the following statements describes how the periodic table is organized? 1. The elements are organized alphabetically. 2. The elements are organized by their size. 3. The elements are organized by the date they were discovered. 4.