What's the density of a substance if the mass is 3.1g and it occupies 4.1 mL?

Why is vigorous trituration required to prepare emulsions?

Which are the most common magnetic elements?

What is wrong with this word equation? hydrogen sulfide + sodium hydroxide → lithium hydroxide + sodium sulfide

What would happen to the specific heat of water if salt is added?

Explain why the noble gases tend not to react

In a titration 25.0 ml of a. 20 M NaOH solution is used to neutralize 10.0 ml of HCl. Write the equation for this neutralization reaction and calculate the molarity of the acid.

4*C: 4cm 8*C: 10cm 12*C: 14cm 16*C: 18cm 20*C:24cm 24*C: 12cm what is the independent variable, dependent variable and three constant variables?

In the chemical laboratory, why do scientists use a mortar and pestle? a. to increase surface area of a solute b. to decrease surface area of a solute c. to increase temperature of a solute d. to decrease temperature of a solute

Is a mixture being separated into two elements a chemical change

Which electrons are lost by an atom of iron when it forms the Fe3 + ion? A. One s orbital electron and two d orbital electrons B. Two s orbital electrons and one d orbital electron C. Three s orbital electrons D. Three d orbital electrons