How many `176Omega` resistors (in parallel) are required to carry 5A on a 220V line?

How many turns of Calvin cycle are required to generate one molecule of glucose?

Several electric bulbs designed to be used on a 220V electric supply line, are rated 10 W. How many lamps can be connected in parallel with each other across the two wires of 220V line if the maximum allowable current is 5A?

How many faradays of electricity are required to liberate 2 moles of hydrogen gas in electrolysis of a solution?

A hot plate of an electric oven connected to a 220V line has two resistance coils A and B, each of 24Omega resistance, which may be used separately, in series, or in parallel. What are the currents in the three case? Amount of current when the coils are used separately.

Draw a schematic diagram of a circuit consisting of a battery of three cells of 2V each, a 5Omega resistor, an 8Omega resistor, and a 12Omega resistor, and a plug key, all connected in series.

How many mole of methane are required to produce 22g CO_2(g) after combustion?

How many moles of electron will be required for the reduction of 1 mole of Cr_2O_7^(2-) ions to Cr^(3+)

How many moles methanes are required to produce 88g CO_2 (g) after combustion?