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Burning a gallon of gasoline releases of internal energy. If a certain car requires of work to drive one mile, (a) how much heat is given off to the atmosphere each mile, assuming the car gets 25.0 miles to the gallon? (b) If the miles per gallon of the car is increased, does the amount of heat released to the atmosphere increase, decrease, or stay the same?
what is the freezing pint of a solution when 13.55 g of Mg(NO3)2 is dissolved in 156 mL of water when Tdegree
What is the maximum mass of aluminum chloride that can be formed when reacting 15.0 of aluminum with 20.0 of chlorine
What is the maximum number of water molecules that could form H bonds (one H bond per water molecule) with 1-propanol. to glyceraldehyde
a 12-liter tank contains helium gas pressurized to 160 atm. what size tank would be needed to contain thi same amount
Draw the para isomer produced when toluene reacts with \rm Br_2 in the presence of an iron(III) bromide catalyst
Electron dot formulae (Lewis structures) with only the valence electrons, show the bonding - Write balanced equations
A student made a bottle of 6 M NaCl solution in the morning and then stored it in the refrigerator. In the afternoon, he took out the bottle and found NaCl crystals at the bottom of the bottle. Can you explain why the crystals formed
Problem- Would you increase or decrease the pressure (volume change) of each of the following reaction mixtures to decrease the yield of products
Consider the expansion of an ideal gas against the atmosphere. Briefly explain each of your answers below. If the expansion is done so that the temperature doesn't change, is the energy transferred as heat (q) zero, positive, or negative?
State the balanced net IONIC equation for the reaction that takes place when 0.1 M solutions of potassium sulfide and chromium (III) chloride are mixed
Contains about 1.00 mg of fluoride per gram of toothpaste. The fluoride compound that is most often used in toothpaste is sodium fluoride, NaF, which is 45 percent fluoride by mass. how many mg of NaF are in a typical 8.2 ounce of toothpaste?
Calculate the molecular mass of the nonionic solutes.
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