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A metal oxide with the formula MO2 contains 21.23% oxygen by mass. Type the symbol for the element represented by M in the box below.
what is the problem of attempting an Adols condensation using different aldehydes
100 mL of 0.200 M HCl is titrated with 0.250 M NaOH .What is the pH of the solution at the equivalence point?Express the pH numerically.
A cube has a volume of 8.0cm (to the 3rd power) and a mass of 21.6 grams. The density of the cube, in grams per cubic centimeter, is best expressed as
A tank at is filled with of sulfur hexafluoride gas and of carbon monoxide gas. You can assume both gases behave as ideal gases under these conditions.
a volume of 100 litres of is at room temperature that was twenty two degree celsius initially. a cooled steel rod at
q1. anbsp write structures for the following moleculesinbsp 2-phenylethanol.ii 2-methyl-2-propen-1-ol.iii
How much heat would be given off per mole of NaOH if 4.6g of NaOH dissolves to give off 755J of heat? b)How many grams of NaOH are needed to produce 88 kJ of heat? Please explain the steps to get the answer
what precipitate would form if calcium chloride, 5% dextrose, 0.9% sodium chloride, and potassium phosphate
an ideal gas at 25 ºC and 5 bar are expanded to a final pressure of 1.00 bar. Assuming Cv=3/2 R, calculate deltaU, deltaH, q, w, and DS if the process is
Compute How many mg of the compound P do you have in 20ml of 4% (w/v) solution of P
Recommend an explanation why the cyclic intermediate might have two important groups in a trans relationship that could factor the E-alkene.
The volume of a mass of gas is 300ml at 25 degree celcius and 685 torr.
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