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3. A bag of potato chips is packaged at . this bag of chips is transported to Denver (0.775atm) what will the new volume of the bag be at 2 degrees C ?
Study the floral dissection of Clivia miniata ,record the floral features and compile a floral formula
A 0.50 M monoprotic acid has a pH of 1.0. Calculate it's percent in ionization. Express in three significant figure.
In the reaction: 2Na + 2H2O → 2NaOH+ H2
How many grams of hydrogen (H2
) are produced if 5.2 mol of Na are available?
It takes 40.7 KJ of energy to vaporize 1 mole of water ( heat of vaporization). Calculate the total amount of energy needed to vaporize 25g of water at 100C
Sulphuric acid (H2SO4) reacts with aluminium to produce aluminium sulphate
(Al2 (SO4)3 ) and hydrogen (gas). Write and balance the reaction. If 500 g of a 46% by
mass solution of sulphuric acid is combined with aluminium
a) How many moles of sulphuric acid will there be in 500 g of 46% solution of this
acid?
b) Calculate the moles of aluminium necessary to completely consume the moles of
sulphuric acid obtained in the previous section.
c) Determine the moles of aluminium sulphate that will be produced and express
this quantity in grams.
What will be the pH of a solution containing 100 mol of potassium hydroxide and 0.05 mol of sulfuric acid in 100 cm3 of solution?
how many grams are obtained by the reaction between 0.06 mol of silver nitrate and the corresponding amount of potassium chromate
How many moles of aluminum nitrate are obtained from the reaction of 0.75 mol of silver nitrate with a sufficient amount of aluminum?
How many grams of sodium will result from the decomposition of 1.0 mole of sodium azide
