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1. The tires of a car make 65 revolutions as the car slows down uniformly from 100 km/hr to 50 km/hr. The diameter of the tires is 0.80 m.
a. What is the angular acceleration?
A balloon is inflated with 0.2494g of helium to a pressure of 1.26 atm. If the desired volume of the balloon is 1.25L, what must the temperature be in degreeC
the enthalpy change is 25.8 KJ. How many grams of H2 gas are produced? and d: How many KJ of heat are released when 50.9 g of CO gas reacts completely with H2 to form CH3 OH at constant pressure?
cis-dibenzoylethylene is converted to a more stable, new product, ethyl 4-phenyl-4-phenoxy-3-butenoate. What is the structure of the new product
The zinc within a copper-plated penny will dissolve in hydrochloric acid if the copper coating is filed down in several spots (so that the hydrochloric acid can get to the zinc). The reaction between the acid and the zinc is
an alka-seltzer tablet contains 1.916 grams of sodium bicarbonate. using the formula h3c6h5o7 3nahco3-gt nac6h5o7 3h2o
describe one or more simple chemical tests that would distinuish acetaminophen from ibuprofem
keisha wants to measure how the temperature of a gas affects its volume. explain which variable she should change which
b) Draw a plausible structure for this compound that contains aldehyde and ketone functional groups.
How many liters of water are required to dilute 6.23mL of 12.2M HClO4 to make a solution with a pH of 2.34? Write your answer as 1.2E1L
A sediment sample of clay was equilibrated with ammonium ion (NH4+). The ammonium ion was then displaced with Na+. The total amount of ammonium that had been adsorbed.
The quality of a two-phase liquid-vapor mixture of H2O at 40Oc with a specific volume of 10m3/Kg is
The decomposition of ethane (C2H6) to methyl radicals is a first -order reaction with a rate constant of 5.36 X 10^-4 s-1 at 700'C: C2H6(g) -> 2CH3(g). Calculate the half-life of the reaction in minutes
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