Does the law of conservation of mass apply to physical changes or just chemical changes?

Matter is considered to be

Given that ammonia is a gas at room temperature, what can you infer about the relative strengths of the intermolecular forces between ammonia molecules and between water molecules

Three structural isomers have the formula c5h12. Draw the three different isomers according to the number of c atoms in their main chain.

What does it mean for heat to be transferred by convection? O A. Energy is transferred through moving currents of warmer air or liquid. O B. Energy is transferred through converting bond energy to kinetic energy C.

To calculate the Ksp of 0.34 g of cesium sulfate (Cs2SO4) in 1.00 L of aqueous solution, which equilibrium equation will you use? A: Cs2SO4 (s) 2Cs + (aq) + SO4^-2 (aq)

Write the mathematical expression that allows you to solve for the oh - concentration in water when you know only the h3o + concentration.

The role gravity played in the formation of the sun?

What kind of reaction occurs when you mix aqueous solutions of barium sulfide and sulfuric acid?

What is true about empathy? Most anyone can learn this skill. Not everyone can learn this skill. It is a desirable attribute. choices A and C

What effect can new observations have on a scientific theory