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Due to the friction between a tire and the road surface, the temperature of the air inside the tire increases as one drives. If the tire pressure is 26 psi when the car is in the driveway at 25C, what is the temperature of the air inside of the tire when the pressure increases to 29 psi? Assume tire volume is constant.
What is the concentration of g salt per 100 g water of a saturated solution in which 3.82 g of salt are dissolved in 9.54 g of water?
A weak acid (HA) is found to ionize 17.8% when mixed at a concentration of 0.3 mol/L. What is the value of Ka for this acid?
During studies of the reaction below, 2 N2H4(l) + N2O4(l) ? 3 N2(g) + 4 H2O(g) a chemical engineer measured a less-than-expected yield of N2 and discovered that the following side reaction occurs
Aspartame (C14H18N2O5) is a solid used as an artificial sweetener. Its combustion produces carbon dioxide gas, liquid water, and nitrogen gas. What is the coefficient of aspartame in the balanced equation for the reaction? (Balance the equation wi..
ow many milliliters of 0.200 M NaOH will be required to titrate 8 mL of 0.479 M H2SO4
Calculate the uncertainty in the distance of the electron (in Angstroms) at any point during its 25 Angstrom journey. (HINT: remember velocity = distance/ time)
What type of feature will be observed in the EI mass spectrum of chlorobenzene? A) A signal at 112 and a signal at 114 in a ratio of 3:1
An electron traveling at 3.7 X 10^5 m/sec has an uncertainty in its velocity of 1.88 X 10^5 m/s. What is the uncertainty in its position?
What advantages and disadvantages exist for both organic and inorganic solar cells? Describe the main barriers or technical difficulties associated with each.
when separated from a water solution CuSO4 forms a hydrate with 5 wlater molecules per formula unit. if 47 g of anhydrous CuSO4 are dissolved in water, what mass of the hydrate could be recovered from the solution.
How much energy (in calories) is needed to heat 17cm^3 of fat from room temperature (25 C) to its melting point (35 C)?
Standardization of Na2S2O3, Added 0.12 g KIO3 and dissolved in 75 mL of distilled water. Added .20 g of KI to solution, then added 10 mL of 1M HCl and immediately titrated with thiosulfate solution (made by weighed 25 g of Na2S2O3-5H20
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