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If a balloon is squeezed, what happens to the pressure of the gas inside the balloon?
 According to Charles’ Law as the volume occupied of a given sample of gas at constant pressure is decreased, the temperature will
Which statement best explains why a hot-air balloon rises when the air in the balloon is heated?
Why is gas easier to compress than liquid and solid?
Consider a 1.0 L container of Neon gas at 273 K and 1 atm.
 In which of the following conditions will the average kinetic energy increase?
I. The temperature increased to 1000 °C.
 II. The temperature is decreased to 500 °C.
III. The volume has decreased to 0.5 L.
 IV. The number of moles of neon is doubled.
 Which type of gas is the basis for the kinetic-molecular theory?
Which does not belong to the group?
Which biomolecule is made of nucleotides and contains your DNA?
What is the monomer for a protein from meat, fish, eggs, beans, bread, nuts, and seeds?
Which food group is high in carbohydrates?
You need a steady supply of amino acids in your diet to maintain a healthy body. To meet this need, you should make sure you eat enough of which class of biomolecule?
Type of Biomolecules that is responsible for insulation and energy storage
1.      Which is/are TRUE about the Law of Conservation of Mass?
I.  The mass of the reactants is equal to the mass of the product.
II.  The number of atoms in the reactant is the same as the number of atoms in the product.
III. The number of moles in the reactants is the same as the number of moles in the product.
IV.  The masses of the reactant and product are the same, but the moles are different.
How many atoms of the elements should be on the product side after the chemical reaction?
 Which chemical equation will have equal masses from the reactant and product side?
Why should hydrogen peroxide be kept in a colored bottle?
Why do bubbles form when you mix vinegar with baking soda?
Determine the type of chemical reaction
BaCl2 (aq) +H2SO4 (aq) → BaSO4 (s) + 2HCl (aq)
Which is TRUE about the Laws of Conservation of Mass and Matter.
I.  The mass of raw materials is equal to the mass of the product.
II. There is no change in the type of elements before and after the reaction.
III. The mass and type of atoms of the reactant/s are the same as the mass and type of atoms present in the product/s.
Which is TRUE for the equation ____ NH3+ ____H2SO4 Ã ____ (NH4)2SO4?
Based on this unbalanced equation CaCO3 Ã CaO + _____, what would be the other product?
 The burning of fossil fuels like coal, gas, and oil are the main sources of carbon dioxide emissions. What happens to carbon dioxide when the rain comes?
Aluminum has an oxidation state of +3 while Chlorine has -1. What will be the chemical formula of the compound if these ions are combined?
What would indicate that the chemical equation is balanced?
When will chemical reactions come to a stop?
Which statement concerning rates of reactions is TRUE?
Which explains the rotting of sliced apples when not being refrigerated?
Which factor affects the rate of a chemical reaction in making dough?
What happens to the reaction rate if the concentration of reactants decreases?
Which greatly affects chemical reaction in processing milk?