What is the difference between physical change and chemical change?

Brock brings a magnet near a metal object. a magnetic force acts on an object, pulling it upward. which of the following best describes the magnetic force?

A steel block has a volume of 0.08 m³ and a density of 7,840 kg/m³. What is the force of gravity acting on the block (the weight) in water? A. 6,150.64 N B. 5,362.56 N C. 7,600.18 N D. 6,700.56 N

A sample of neon gas occupies a volume of 2.8 L at 1.8 atm. What would it's volume be at 1.2 atm?

A force vector describes what two things about a force? A) magnitude and time B) time and direction C) magnitude and direction D) time and mass

determine the percent error if the density of mercury is 13.534g/mL and you measured the density to be 13.000g/mL

Which of the following is the result of the process that binds many amino acids on to another? a. protein b. allele c. dna d. rna

What does the electron transport chain do to the concentration of hydrogen ions (protons) ?

What is the cation name for alcl3?

Moles of hydrogen gas (14) 0.00336 mol 0.00481 mol Moles of hydrogen per g sample (n*,) mol/g mol/g

A hurricane and a typhoon are the same thing true or false?