After Pangaea broke up, North America became part of what?

The gas in a cylinder has a volume od 2 liters at a pressure of 104 kpa the pressure of the gas increased to 223 kpa assuming the temperature remains constant what would the new volume be

A 27.40 g sample of liquid mercury is initially at 158.30°C. If the sample is heated at constant pressure ( = 1 atm), kJ of energy are needed to raise the temperature of the sample to 376.20°C. How much energy in kJ is required?

Which process causes the handle of a spoon in a bowl of soup to become warm? boiling combustion conduction melting Description

Is coffee creamer an acid or base?

Titration of a 25.0 mL sample of barium hydroxide requires 34.45 mL of 0.100 M nitric acid. What is the molarity of the barium hydroxide?

The flow of energy in an ecosystem is the best described as energy moving in

Which bond other than the c-c bond is the least polar in the molecule?

The warmest temp ever measured in the us is 134 degrees F. Convert that temp to C and K

Compared to the oceanic crust the continental crust is usually

What is the study of matter called? O A. Chemistry O B. Philosophy O O C. Biology D. Physics