Calculate the mass percentage of nacl in a solution containing 1.50 g of nacl in 50.0 g of water.

Congress has a special power that is found in Article V of the Constitution. What is this power? The power to make laws The power to investigate the President The power to amend the Constitution The power to declare war

What are three objects that are not in motion and how you know that they are not in motion

When the concentration of solute in a solid solution exceeds its solubility limit, a new solid solution or phase forms that has a composition distinctly different than the original solid solution?

5.8L of gas at 760 mmHg is expanded at a constant temperature until the pressure is 430 mmHg. What is the final volume of the gas? A 2.5L B 3.3L C 6.6L D 10L

The ph of two lakes is measured. Lake a has a ph of 8.0; lake b has a ph of 6.0. Which of thefollowing statements is correct about these lakes?

Consider the following thermochemical equation: C (s) + O2 (g) → CO2 (g) ΔH = - 393 kJ CO (g) + ½O2 (g) → CO2 (g) ΔH =

Two colorless solutions are mixed together. Bubbles form as the solution is stirred. Give TWO possible explanations for this result.

What is a light-year? A. the distance light travels in one earth year B. the distance light travels from the sun to the earth C. the distance light travels in one orbit of the moon D. the time it takes light to travel across the universe

What's is a logical way that you could begin to investigate why your tire had low air pressure?

after balancing the redox equation FeCl3+Zn--->ZnCl2+Fe, what are the coefficients, in order from left to right?