Chemistry

_____________ is the energy stored because of its position or shape. A. Potential energy B. Kinetic energy C. Thermal energy D. Chemical energy
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(7.02 LC) Which statement about this reaction is correct?
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Is it illegal for fracking companies to let water that has been used for fracking deep back into the ground ?
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3. Infer A forgotten ice pop lies melting on a deck on a hot summer day. What is the direction of heat flow as the ice pop melts?Is the process endothermic or exothermic? Explain.
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what happens when light is not spread out
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A 0.050L solution of Ba(OH)2 is neutralized by 0.072L of a 0.55 M HNO3 solution. What is the concentration of the Ba(OH)2 solution?
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Helium occupies a volume of 3.8 L at 45C. What was its initial temperature when it occupied 8.3 L?
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A solution is prepared by mixing 525 mL of ethanol with 597 mL of water. The molarity of ethanol in the resulting solution is 8.35 M. The density of ethanol at this temperature is 0.7893 g/mL. Calculate the difference in volume between the total volume of water and ethanol that were mixed to prepare the solution and the actual volume of the solution. g
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Nikolas, the fire extinguisher, and the skateboard have a combined mass of 50 kg. What force would the fire extinguisher have to produce to propel nikolas if he wanted to accelerate at a rate of 1.2 m/s squared
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is the normal resting position of an object.
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What is the name of C3H8?
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The reaction for the combustion of methane is shown below. If 28.70g of methanereacts with 51.40g of oxygen, how much water will be produced? Record youranswer with 2 decimal places.CH+20,oxygenCO2carbon dioxide+ 2H,0watermethane
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HELP WORTH 20 points if Awnser is correct
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HELP PLEASE I WILL GIVE 100 PONTSAll of the following properties of a solution would decrease if you increased the concentration of solute, EXCEPT which?A. freezing pointB. boiling pointC. vapor pressureD. they would all decrease
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What organelle does the process of cellular respiration?
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Is the relationship between volume and pressure direct or indirect? Explain youranswer
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A gas in a pistoncylinder assembly undergoes a compression process for which the relation between pressure and volume is given by p = AV2 + BV-2 (p is in bar and V is in m3). The initial volume is 0.1 m3, and the initial pressure is 1 bar. The final volume is 0.04 m3, and the final pressure is 2 bar. Determine:
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When water changes into water vapor, this is called_______.A) condensationB) transpirationC) precipitationD) evaporation
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What is the binding energy of a mole of nuclei with a mass defect of 0.00084 kg/mol?
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Name some uses of Chlorine and bromine compounds
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Multiply the following: (1.25 x 10^15) x (3.75 x 10^5).
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Write and balance the double replacement reaction between barium sulfate and titanium (II) oxide.
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A balloon filled with air has a volume of 6.50 L, a pressure of 0.900 atm, and a temperature of 25.0oC. If it is left out overnight, during which the temperature decreases to 15.0oC and the pressure rises to 1.15 atm, what will the volume of the balloon be?
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What happens when an object with elastic energy is released?It uses kinetic energy to return to its original shapeIt bounces like a ballIt uses potential energy to return to its original shapeIt uses elastic energy to return to its original shape
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