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how many grams of mgoh2nbspwill be needed to neutralize 25 ml of stomach acid if stomach acid is 010 m hcl hint write
find the empirical formula of a compound that is made of 4838 carbon 812 hydrogen and 535 oxygen by
1 what energy change is associated with the reaction to obtain one mole of h2 from one mole of water vapor the balanced
write rational arrow-pushing mechanisms leading to three additional products that might have been formed in the
calculate the volume of gas occupied by 0840 moles of nitrogen gas at a pressure of 137 atm and a temperature of 315 k
the overall free energy change to transport one mol of k1 ion from the outside of a cell where its concentration is 4
a what is the formal charge on e o 33 b what is the oxidation state of e 4 33 0 which element could e represent enter
when h2 gas was released by the reaction of hcl with mg the volume of h2 gas collected was 854 ml at 20 deg c and 745
the use of chlorofluorocarbons cfcs as refrigerants and propellants in aerosol cans has been discontinued because cfcs
determine the ph of the solution to 2 decimal points after the addition of 295 ml of 000436 m magnesium hydroxide mgoh2
1 briefly explain the similarities and differences between nitric oxide oxidation and sulfur dioxide oxidation in the
what is the total number of lone pairs on the central atom in the correct or best lewis structure of the following
a chemist needs to determine the concentration of a solution of nitric acid hno3 she puts 725 ml of the acid in a
a buffer solution is prepared by mixing 823 ml of 00329 m butanoic acid with 214 ml of 0661 m sodium butanoatea table
if a pregnant woman should be exposed to no more than 20 rad and a radiation source gives 38 rad at 193 cm what is the
suppose that you have 0500 l of each of the following solutions and an unlimited supply of water kb 63times10-5 for
one compound contains an amino group with a pka of 88 and one other ionizablegroup with a pka of 5to 7to 100 ml of a 02
carbonated cola is more acidic than coffee or even orange juice because cola contains phosphoric acid what is the molar
when toluene is used in free radical bromination a very small amount of product is formed that contains only carbons
what volume of h2g at stp is produced whennbsp104 g of mg is reacted with hcl according to the following
if 0043 g of beryllium hydroxide beoh2 is dissolved in sufficient water to make 500 ml of solution what is the
you react an excess of hydrogen gas with 800 get of oxygen nbspgas to format water what mass of water is formed
when ethane is reacted with oxygen in the air the products are carbon dioxide and water this process requires moles
yeast is used as a leavening agent in bread making the yeast metabolizes with the natural carbohydrates in the flour
determine the molarity of a solution that contains 1550ml of glycerol c3h8o3 d 1265gml in