Which of the following statements is a part of dalton's atomic theory?
a) different atoms combine in simple whole-number ratios to form compounds.
b) all atoms of a given element are not identical.
c) during a chemical reaction, atoms cannot be separated, combined, or rearranged.
d) atoms can be created or destroyed.

A10 kg box initially at rest is pulled 18 meters across a horizontal, frictionless surface by a 40 n force. what is the block’s final velocity over the 18 meters?

In a heat engine if 1000 j of heat enters the system and the piston does 500j of work, what is the final internal energy of the system if the inital energy was 2000 j1.write the equation2.list out your known variables 3. plug the numbers into the equations4.solve 5.write your solution statement that includes initial energy and final energy added.

Ahurricane sweeps across the ocean and damages the houses of people living along the coast. which of these does not play any role in this interaction? air water glaciers living things