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Ammonia and oxygen react to form nitrogen and water. How many grams of N2 can be produced when 6.30g O2 reacts?
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What is the subshell electron configuration for the Ca20 atom? Which are valence electrons and how many valence electrons are there?
A 479 mL sample of 0.9833 M HCl is mixed with 485 mL sample of NaOH (which has a pH of 13.48). What is the pH of the resulting solution?
A watch glass and Filter paper weighing 41.060g was used to collect the CuSCN precipitate in this experiment. After drying, the precipitate, watch glass, and filter paper weighed 42.525g. If the sample alloy used for the ...
What is an example of a specific transition metal solution, including the oxidation state of the transition metal, and the color of the solution, and the complex ion that the transition metal forms in that solution if ap ...
Does dissolved solids such as sugar and salt modify/change the boiling point of water; do mixtures have the same boiling point as pure substances?
A sample of a substance (containing only C, H, and N) is burned in oxygen. 8.696 g of CO 2 , 2.225 g of H 2 O and 4.446 g of NO are the sole products of combustion. What is the empirical formula of the compou ...
What volume of 0.600 M HCl is required to react completely with 2.50 g of sodium hydrogen carbonate? NaHCO3(aq) + HCl(aq) ? NaCl(aq) + CO2(g) + H2 O(l)
Q1. Sodium metal is very active with water. Therefore, determining the value of a block of sodium will be impossible by water displacement. On the other hand, the density of sodium metal can be found in the chemistry han ...
A 0.0500-mol sample of a nutrient substance is burned in a bomb calorimeter containing 2.00 × 10 2 g H 2 O. If the molar mass of this nutrient substance is 114 g/mol, what is the fuel value (in nutritional Cal) if the t ...
An analysis of an oxide of nitrogen with a molecular weight of92.02 amu gave 69.57% oxygen and 30.43 % nitrogen. What is the empirical formula of the compound?
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