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How would a calculated specific heat be affected if the metal cools before it is transferred to the water? Would it be higher, lower or unaffected? Explain
using a gas sample of an ideal gas of .95 mol 3.00 atm and at 300 k expands from sixteen litres to twenty eight litres
Using pH-based arguments only, why do scientists use phosphate-based bufers instead of buffers made using acetic acid
A mixture of 0.146 moles of C is reacted with 0.117 moles of O2 in a sealed, 10.0L vessel at 500 K, producing a mixture of CO and CO2. The total pressure is 0.640 atm. What is the partial pressure of CO?
Identify the atom whose electron configuration is [Ne]3s^23p^6. Write the one or two letter symbol for the element. How many unpaired electrons are there in the ground state of this atom?
The flask was then shaken until the solution was uniform. A 25.0-sample of this glucose solution was diluted to 0.500 . How many grams of glucose are in 100. of the final solution?
Why we have a decrease in in the volume of the crude organic product during the extraction with HCl. What causes this decrease
using a compound contains 30.06 percent oxygen and 69.94 percent iron . determine its molecular formula if the molar
assume you dissolve 2.56g of malic acid c4h6o5 in half a liter of water 500g. calculate the molarity molality mole
3.5 g of a hydrocarbon fuel is burned in a vessel that contains 250. grams of water initially at 25.00 C. After the combustion, the temperature of the water is 26.55 C. How much heat is evolved per gram of fuel burned?
Two 20.0-g ice cubes at -18.0 °C are placed into 295 g of water at 25.0 °C. Assuming no energy is transferred to or from the surroundings, calculate the final temperature of the water after all the ice melts.
When an experiment to determine the molar mass of a volatile liquid is performed, it is found that a 342 mL flask at 22.0C and 1.00 atm is filled by .423 g of vapor. which of the following volaite liquids is it?
What is the M/z ratio of the Molecular Ion Peak(s). What fragment was removed from the molecule to produce the Base Peak", and what was its mass
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