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Inessa05 [86]
3 years ago
13

The solution set of axequalsb is the set of all vectors of the form wequalspplusbold v subscript h​, where bold v subscript h is

any solution of the equation axequals0.
Chemistry
1 answer:
ELEN [110]3 years ago
3 0
Answer : Incorrect

Explanation : In the given solution set of Ax = b;
is set of all vectors to form w= p + V_{h}
here V_{h} is is any solution of the equation Ax = 0;

this stands to be incorrect, as the correct would only exists when some vector p is found to be like this Ap=b
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1. The most useful ore of aluminum is bauxite, in which Al is present as hydrated oxides, Al2O3⋅xH2O The number of kilowatt-hour
lianna [129]

*Answer:

Option A: 59.6

Explanation:

Step 1: Data given

Mass of aluminium = 4.00 kg

The applied emf = 5.00 V

watts = volts * amperes

Step 2: Calculate amperes

equivalent mass of aluminum = 27 / 3 = 9  

mass of deposit = (equivalent mass x amperes x seconds) / 96500

4000 grams = (9* amperes * seconds) / 96500

amperes * seconds = 42888888.9

1 hour = 3600 seconds

amperes * hours = 42888888.9 / 3600 = 11913.6

amperes = 11913.6 / hours

Step 3: Calculate kilowatts

watts = 5 * 11913.6 / hours

watts = 59568 (per hour)

kilowatts = 59.6 (per hour)

The number of kilowatt-hours of electricity required to produce 4.00kg of aluminum from electrolysis of compounds from bauxite is 59.6 kWh when the applied emf is 5.00V

5 0
2 years ago
Arrange the measurements from least to greatest.
NNADVOKAT [17]
1) 1.8 micrograms(least)
2) 1.8 grams
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