The mass of a rock is 2.491g. its volume is 1.71 ml. what is the density

The reaction A+B-> C+D rate=k[A][B]^2 has an initial rate of 0.0410 M/s. What will the initial rate be if [A] is halved and [B] is tripled? What will the initial rate be if [A] is tripled and [B] is halved?

3. Select the one which is neither an acid nor a base. * O a) acetic acid O b) hydrochloric acid O C) Salt solution O d) calcium hydroxide

How much heat is absorbed by a 26g iron skillet when its temperature rises from 5oC to 25oC?

Melatonin is an animal hormone believed to have a role in regulating the sleep cycle: The structure of melatonin incorporates two nitrogen atoms. What are the hybridization state and geometry of each nitrogen atom? Explain your answer.

How are mass and weight different? is it c Weight is the amount of matter and mass is the effect of gravity on weight. Weight is the space an object takes up and mass is the effect of gravity on mass.

Which action by the British government was considered by American colonists to be a violation of their rights as Englishmen?

Calculate moles of oxygen atoms in 0.68mol of KMnO4

C2H6 (g) + O2 (g) → CO2 (g) + H2O (g) (not balanced) Determine the number of liters of CO2 formed at STP when 240.0 grams of C2H6 is burned in excess oxygen gas?

What type of change is baking a cake? Why?

The van der Waals forces of attraction between molecules always become stronger as molecular size 1) decreases, and the distance between the molecules increases 2)) increases, and the distance between the molecules decreases 3) decreases, and the