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A car is driven 1 200 m north at 20.0 m/s and then driven 1 600 m east at 25.0 m/s.
a) What are the magnitude and direction of the displacement for this trip?
b) What is the magnitude of the average of velocity for this trip?
How many grams of magnesium chloride, MgCl2, would be required to prepare a 0.2019 m MgCl2 solution by combining this compound with 0.2050 L of water (assume a density of 1.00 g/mL)?
Explain when doing a recrystallization using a Buchner funnel, what happens to the impurities that are more soluble than your compound in the solvent used
The "Zebra" cell was invented in 1985 in South Africa as part of the "ZEolite Battery Research Africa" project, and is used in all-electric municipal buses and other vehicles.
When aluminum is placed in a concentrated hydrochloric acid, hydrogen gas is produced. 2Al (s) + 6HCl (aq) ------> 2AlCl3 (aq) + 3H2 (g) What Volume of H2 (g) is produced when 4.10 g of Al (s) reacts at STP
how many moles of methane would need to be reacted in order to heat 4.00 kg 1 gallon of water cs 4.18 jg-k from room
According to the above expression how many moles of KHC8H4O4 are needed to neutralize 25.00 mL of 0.10 M NaOH
Problem- Calculate the difference between the change in enthalpy and the change in internal energy when 1.00 kg of gaseous methanol is oxidized to gaseous CO2 and H2O at 65 degrees Celsius. Assume ideal gas behavior.
Write balanced molecular, total ionic and net ionic equations for the reaction of aqueous copper (II) sulfate and aqueous sodium sulfide. Be sure to include proper phase labels.
Why are active on-duty firefighters likely to experience the adverse health effects from inhaling 300 ppm of carbon monoxide faster than nonactive off-duty firefighters.
Problem- What are the differences between tryptohan and arginine in reference to mutation in PKU at position 408?
375.00 mL of a 0.010 M solution of NaCl are condensed down to 167.00 mL. Assuming the solution does not become saturated during this process, what is the final concentration of NaCl
If the vessel is heated to 500 K, WHat is the percent decomposition of HBr and the equilbirum compositions of the mixtures?
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