Chemistry, 13.07.2021 16:30 chessacs6540
Write the balanced COMPLETE ionic equation for the reaction when ammonium carbonate and calcium chloride are mixed in aqueous solution. If no reaction occurs, simply write only NR.
Answers: 1
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Abeaker with 2.00×102 ml of an acetic acid buffer with a ph of 5.000 is sitting on a benchtop. the total molarity of acid and conjugate base in this buffer is 0.100 m. a student adds 4.70 ml of a 0.360 m hcl solution to the beaker. how much will the ph change? the pka of acetic acid is 4.740.
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To prevent the presence of air, noble gases are placed over highly reactive chemicals to act as inert "blanketing" gases. a chemical engineer places a mixture of noble gases consisting of 4.37 g of he, 13.36 g of ne, and 36.65 g of kr in a piston-cylinder assembly at stp. calculate the partial pressure in torr of kr.
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Which of the following statements best explains why chemistry is testable a) it can measure data by experiments b) it cannot add new evidence c) it cannot be verified d) it is biased
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Write the balanced COMPLETE ionic equation for the reaction when ammonium carbonate and calcium chlo...
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