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5.    Which of the following was accidentally made in a lab…

5.    Which of the following was accidentally made in a lab while mixing compounds?a.    Heroinb.    Barbituratesc.    Benzodiazepinesd.    Alcohol

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The volume of 0.25 moles of fluorine gas, F2, at 30oC and 90…

The volume of 0.25 moles of fluorine gas, F2, at 30oC and 90 kPa is:

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CALCIUM GLUCONATE INDICATIONS

CALCIUM GLUCONATE INDICATIONS

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Charles’s law is the relation between:

Charles’s law is the relation between:

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A sample of 3 mol of oxygen has a volume of 22.4 L at 25 K….

A sample of 3 mol of oxygen has a volume of 22.4 L at 25 K. Find the gas’s pressure. (5 marks)

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CIMETIDINE INDICATIONS

CIMETIDINE INDICATIONS

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A titration is performed on a 25.0 mL sample of calcium hydr…

A titration is performed on a 25.0 mL sample of calcium hydroxide. A volume of 46.0 mL of a 0.15 M solution of nitric acid is used to reach to the end point. Calculate the concentration of the calcium hydroxide. (8 marks)

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To prepare a 0.35 mol/L solution of calcium chloride, you ad…

To prepare a 0.35 mol/L solution of calcium chloride, you add 19.4 g of CaCl2 to enough water to form 500 mL of solution.

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Standard conditions are:

Standard conditions are:

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The number of molecules in a litre of oxygen at STP is:

The number of molecules in a litre of oxygen at STP is:

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