Is pheolpthalein harmful

A force of 8,480 n is applied to a cart to accelerate it at a rate of 26.5 m/s2. what is the mass of the cart? 865 kg 320 kg 12.1 kg 3.12 kg

What causes the changes in air pressure on the earth surface

You see a structural formula in which the symbols for elements are connected by a long dash. You can assume that the chemical bonds in the compound are A. ionic. B. covalent. C. metallic. D. unstable.

If sulfur dioxide and oxygen can be made into sulfur trioxide, what is the reverse reaction?

Some processes that occur in a cell are listed below. A. utilize energyB. detect changes in the environmentC.

Balance the following equation with the smallest whole number coefficients. Choose the answer that is the sum of the coefficients in the balanced equation. Do not forget coefficients of "one". RbOH + H3PO4 → Rb3PO4 + H2O

What is the temperature of 100 liter container having 1 mole of an ideal gas at a pressure of 20 kilopascals

5.2*10^26 molecules of ch4 in volume

Which of the following statements about igneous rocks is correct A. intrusive igneous rocks are formed when magma is called above the ground. B. Extrusive igneous rocks are formed when magma is cooled above the ground C.

The compound KOH is called