A 1.3 g sample of a substance is heated from 0°C to 45°C and is found to have absorbed 45 j of heat. What is the specific heat of this substance?

The volume of an automobile air bag was 66.8 l when inflated at 25 °c with 77.8 g of nitrogen gas. what was the pressure in the bag in kpa

When the particles of a gas decrease in energy what happens? Question 9 options: It freezes It gets hotter It changes to a liquid It changes to a plasma

NaOH is a strong base. Which two ions do you expect to find in a solution of NaOH? A. Na and OH B. Na + and OH- C. NaO - and H+ D. NaH + and O-

How would Mg change to gain a noble gas structure? lose 2 electrons gain 6 electrons

Which of the following accurately represents the relationship between ceramic and metal?

Which of the following correctly identifies steps used in the fractional distillation of petroleum? The mixture is cooled, condenses, then heated and boils. The mixture is cooled, boils, then heated and condense.

What is the formula of the most stable oxide of francium?

You just calculated that the heat of fusion for chloromethane is 6400 J/mol. The heat of fusion for hydrogen is 120 J/mol. Which of the following account for this difference? a. Hydrogen has stronger intermolecular forces than chloromethane. b.

Magnesium burns with a very bright light. When the flame goes out, a White powder is left behind. what is the word equation for this reaction.

Identify the types of intermolecular forces found for each of the liquids and relate these to the shape of the drop as seen from the side. Include the terms cohesive and adhesive forces properly in your explanations.