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Question and answer
Q: Ba(OH)2 Ba+2 + 2 OH- (dissolved in solution). Which will NOT happen to the equilibrium of this solution as H+ ions are added?
A: Solutions that have more OH- than H+ ions are basic.
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Original conversation
User: Titration is a process of reacting an acid with a base until an equivalence point is reached. True False

User: A solution is a homogeneous mixture. True False

User: Ba(OH)2 Ba+2 + 2 OH- (dissolved in solution). Which will NOT happen to the equilibrium of this solution as H+ ions are added?

Weegy: Solutions that have more OH- than H+ ions are basic.
vchutkan|Points 5494|

User: All chemicals which contain OH in the formula are bases. True False

User: What is the general word equation for salt formation by neutralization?

User: molarity

Weegy: Molarity is defined as a concentration unit, [ defined to be the number of moles of solute divided by the number of liters of solution. Examples: There are 6 moles of HCl in 6 molar HCl or 6M HCl ]
smp0784|Points 3678|

User: diffusion

Weegy: Osmosis is the diffusion of water through a semi-permeable membrane, from a solution of low solute concentration (high water potential) to a solution with high solute concentration (low water potential), up a solute concentration gradient.
clarityjane|Points 193|

User: A characteristic of acids is that they react with metals to

User: 10.0 g of NaOH were dissolved in 500.0 mL of solution.

User: Ionic solutions are poor conductors of electricity. True False

User: A solution with a pH of 11 has a [H+] of:

User: How many moles of NaOH are needed to make a 1 M solution?

User: Balanced equations illustrate Conservation of Mass. True False

User: What is the required molarity of a Ba(OH)2 solution to prepare a 1.0 M OH? solution?

User: Sulfuric acid dissolves in water as H2SO4 2 H+(aq) + SO2-2(aq). Which of the following solutions of H2SO4 will conduct the most electricity?

User: Sulfuric acid dissolves in water as H2SO4 2 H+(aq) + SO2-2(aq). Which of the following solutions of H2SO4 will conduct the most electricity? 1.0 M 1.0 N 2.0 M 0.5 M

User: Energy can be measured directly with a calorimeter. True False

Weegy: True. Heat energy can be measured directly with a calorimeter.
andrewpallarca|Points 13031|

User: If we read the reaction as X + Y ? Z + Q it is

Weegy: Simplifying (x * y) + (x * z) + (y * z) = t Multiply x * y (xy) + (x * z) + (y * z) = t xy + (x * z) + (y * z) = t Multiply x * z xy + (xz) + (y * z) = t xy + xz + (y * z) = t Multiply y * z xy + xz + (yz) = t xy + xz + yz = [ t Solving xy + xz + yz = t Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1yz' to each side of the equation. xy + xz + yz + -1yz = t + -1yz Combine like terms: yz + -1yz = 0 xy + xz + 0 = t + -1yz xy + xz = t + -1yz Reorder the terms: -1t + xy + xz + yz = t + -1yz + -1t + yz Reorder the terms: -1t + xy + xz + yz = t + -1t + -1yz + yz Combine like terms: t + -1t = 0 -1t + xy + xz + yz = 0 + -1yz + yz -1t + xy + xz + yz = -1yz + yz Combine like terms: -1yz + yz = 0 -1t + xy + xz + yz = 0 ]
Lorindaleigh|Points 93|

User: Two objects with the same temperature must have an equal quantity of heat. True False

User: How many kilojoules are associated with the formation of 2 moles of HBr(g)?

Weegy: a. -73
scijoe21|Points 1875|

User: N2(g) + 3H2(g) ? 2NH3(g)+ 22,000 cal ?H =

User: What is the common device used for measuring heat transfer for chemical reactions called?

User: When a solid compound is formed from chemicals that are in solution, it is called a

User: A negative ?H means an exothermic reaction. True False

Weegy: The reactants will have more energy than the products.
wedekind|Points 1192|

User: The combustion of 1 mole of CO according to the reaction CO(g) + ½O2(g) ? CO2(g) + 67.6 kcal gives off how much heat?

Weegy: 1 mol CO in the reaction gives off + 67.6 kcal and here we have n(CO)=14/12, and 14/12mol x 67.6=78 so e
beboythewizkid|Points 2048|

User: Select all of the following equations that represent an exothermic reaction.

User: Endothermic means to lose energy. True False

User: All reactions involving a change in temperature are exothermic. True False

Weegy: The reactants will have more energy than the products.
wedekind|Points 1192|

User: Which is more stable, the reactants or products?

User: What happens to the energy release of an exothermic reaction?

Weegy: The reactants will have more energy than the products.
wedekind|Points 1192|

User: The formation of a precipitate is an indication of a chemical change. True False

User: Gas produced from a reaction is a phase change and not a chemical change. True False

User: A temperature change in a reaction indicates a physical change. True False

User: An acid has OH- ions in its formula. True False

Weegy: False. This is only true for a base.
vchutkan|Points 5494|

User: What's the oxidation number for N?

Weegy: 2+2=4. If you are satisfied with my answer, please click 'Good' on the ratings.
WNC|Points 10083|

User: What's the oxidation number for O?

Weegy: 2+2=4. If you are satisfied with my answer, please click 'Good' on the ratings.
WNC|Points 10083|

User: What is the oxidation number of the oxidizing agent?

Weegy: Common oxidizing agents * Potassium Nitrate (KNO3) * Hypochlorite and other hypohalite compounds such as Bleach * Iodine and other halogens * Chlorite, chlorate, perchlorate, [ and other analogous halogen compounds * Permanganate salts * Ammonium cerium(IV) nitrate and probably related Cerium(IV) compounds * Hexavalent chromium compounds such as chromic and dichromic acids and chromium trioxide, Pyridinium chlorochromate (PCC), and chromate/dichromate compounds * Peroxide compounds * Tollens' reagent * Sulfoxides * Persulfuric acid * Ozone * Osmium tetroxide (OsO4) * Nitric acid * Nitrous oxide (N2O) ]
Jess|Points 409|

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Asked 7/10/2012 12:21:43 PM
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An electron-volt is a unit of _________. orbital velocity mass energy momentum
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Updated 9/15/2015 6:24:24 PM
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An electron-volt is a unit of energy.
Added 9/15/2015 6:24:24 PM
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Confirmed by Andrew. [9/15/2015 7:23:06 PM]
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