A solution in a dish contains 4.0 grams of salt dissolved in 100 grams of water. If 50 grams of the water evaporate, this is evidence that the solution is

an element

an compound

an mixture

a pure substance

How does metamorphic rock change into magma

In 2015, only 9% of the electricity used in the U. S. was generated from nuclear power. What are some of the costs associated with using nuclear power instead of traditional energy sources such as fossil fuels? All BUT ONE would be considered a cost.

If 25 mls of 0.01 M NaOH is added to 75 mls of 0.005 HCl, what is the resulting pH

What does our state have that few share?

How many grams of sodium oxide can be produced when 55.3 g Na react with 64.3 g O2? Unbalanced equation: Na + O2 → Na2O Show, or explain, all of your work along with the final answer.

What monomers are used to construct this polymer and where are they found?

How many moles of methane are required to produce 22g co2 after combustion

Identify and describe the appearance of the type of muscle tissue found in your heart

Calculate the coulombic force (in Newtons) felt by an electron and a proton separated by a distance of 1 angstrom. An angstrom is 10-10 meters.

Why does stirring increase the rate of dissolution? A. Stirring the solution decreases the kinetic energy of the solution. B. Stirring the solution increases the surface area of the solution. C.