chemistry final
¡Supera tus tareas y exámenes ahora con Quizwiz!
6.53x10 10 ug
How many micrograms are in 65.3 kg?
homogeneous mixture
If a liquid contains 60% sugar and 40% water throughout its composition then what is it called?
3
After carrying out the operations below, how many significant figures are appropriate to show in the result (13.7+0.027)\8.221
kg
The SI base unit of mass is
5.5x10 -4 kg
The mass of a sample is 550 milligrams. Which of the following expresses that mass in kilograms?
13
The number 1.050x10 9 has how many significant figures?
Broiling a steak on a grill
Which of the following is a chemical change?
Lead becomes a liquid when heated to 601 c
Which of these is an example of a physical property?
air
which one of the following is a "substance" in the sense of the word as used in your textbook?
