The actual density of iron is 7.874 g/mL. In a laboratory investigation, Jason finds the density of a piece of iron to be 7.921 g/mL.

What is the percent error that is associated with Jason's measurement?

-4.7%

-0.6%

0.6%

4.7%

The gene for the favorable in case this cotton DNA

Chlorine gas can be prepared in the laboratory by the reaction of hydrochloric acid with manganese (IV) oxide. 4HCl (aq) + MnO2 (s) ⟶MnCl2 (aq) + 2H2O (l) + Cl2 (g) A sample of 37.7 g MnO2 is added to a solution containing 46.3 g HCl.

Gaseous ethane (CH3CH3) reacts with gaseous oxygen gas (O2) to produce gaseous carbon dioxide (CO2) and gaseous water (H2O). If 2.71 g of carbon dioxide is produced from the reaction of 3.31 g of ethane and 23.

2. The bulb of the thermometer placed at the head of a distillation apparatus should be adjacent to the condenser.

Which of the following is not required for osmosis to occur? View Available Hint (s) Which of the following is not required for osmosis to occur? selectively permeable membrane water concentration gradient cellular energy

Energy leaves the sun as light from a region called the?

How many moles of co2 are produced when 10 mol of propane (c3h8) is burned in excess oxygen?

Why are the spheres representing nitrogen and oxygen different colors

How many moles are in 16.94g of water?

Two compound samples are found to have the same mass percentages of the same elements. what can you conclude about the two samples