What is science in short

Which of the following does not lead to an increase in phytoplankton reproduction? a. increased nutrient availability b. increased sunlight c. increased oxygen levels d. increased levels of carbon dioxide

Which of the following best describes a metal? Brittle, shiny, and solid Brittle, dull, and low density Malleable, shiny, and able to conduct heat or electricity Malleable, dull, and solid, liquid, or gas at room temperature?

Potassium nitrate has a lattice energy of - 163.8 kcal/mol and a heat of hydration of - 155.5 kcal/mol. How much potassium nitrate has to dissolve in water to absorb 113 kJ of heat?

What does the word contribution mean?

What are the only elements that exist in nature as uncombined atoms? What term is used to describe such elements?

At a certain temperature, this reaction establishes an equilibrium with the given equilibrium constant, kc. if, at this temperature, 2.20 mol of a and 3.70 mol of b are placed in a 1.

What is an alloy consisting primarily of iron and carbon

How many moles of H2O are there in1.0g of H20?

Which property of gases allows them to be stored at high concentrations in a bottle of air freshener? What changes occur at the molecular level when ice cream melts and forms a liquid?

a gas has a volume of 6 liters and a pressure of 1.5 atm. if the container is compressed to a volume of 2 liters, what will the pressure of the gas be?