which is a physical property of a substance. A. It is Flammable B. It is odourless. D. It explodes when a spark is present

Anna will wear a black dress when she attends her cousin's wedding. Which color (s) does the dress absorb? A. all colors B. no colors C. red and green D. white?

During a chemical reaction, increasing the temperature often A. reverses the direction of chemical change. B. decreases the rate of chemical change. C. increases the rate of chemical change. OD. prevents a chemical change from occurring.

Suppose you are given the following equation, where xf and xi represent positions at two instants of time, vxi is a velocity, ax is an acceleration, t is an instant of time, and a, b, and c are integers. xf = xita + vxitb + ½axtc.

What happens to a bowl of hot soup when it is placed into a freezer where the air Temperature is below freezing. How does this apply to an open system

Two students are standing on a fire escape, one twice as high as the other. Simultaneously, each drops a ball. If the first ball strikes the ground at time t, when will the second ball strike the ground?

As a mercury atom absorbs a photon of energy, an electron in the atom changes from energy level d to energy level e. Determine the energy of the absorbed photon in electronvolts.

During an exothermic reaction, the energy given off comes from atoms being consumed mass being burned into energy the breaking and forming of bonds mass being created

Can electrostatic attract both pull and pull?

Ways that charges can be transferred

A cricketer can throw a ball to a maximum horizontal distance of 100m. How much high above the ground can he throw same ball