8.00 mL of liquid substance are pipetted into a beaker of mass of 12.69 g. The combined mass of alcohol and the beaker was 20.19 g. What is the density of alcohol?
Select one:
O 0.897 g/mL
O 1.088 g/mL
O 0.938 g/mL
O 0.989 g/mL​

Which of the following true? a_volcanoes and earthquakes often near the plate boundaries. b_volcanoes occur whereve there are tall mountains. c_earthquakes cause volcanoes in the same location to erupt violently d_volcanoes and earthquakes occur only where plates are colliding with each other

Which real-world scenarios below represent physical and chemical changes? -running a car -exploding fireworks -mixing water and powdered drink mix -combining oil and vinegar to make salad dressing -taking aspirin for a headache -diluting bleach with water-digesting dinner-spreading peanut butter on bread

How many protons, electrons, and neutrons are in each of the following isotopes? a. zirconium-90 b. palladium-108 c. bromine-81 d. antimony-123