ririmcgary
ririmcgary
02-11-2022
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please help i really need help
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Molecules of 1-bromopropane and 2-bromopropane differ in (1) molecular formula(2) structural formula(3) number of carbon atoms per molecule(4) number of bromine
The multiple covalent bond in a molecule of 1-butene is a (1) double covalent bond that has 6 shared electrons (2) double covalent bond that has 4 shared electr
What is the total amount of heat absorbed by 100.0 grams of water when the temperature of the water is increased from 30.0°C to 45.0°C? (1) 418 J (3) 12 500 J (
Which change in oxidation number indicates oxidation? (1) –1 to +2 (3) +2 to –3 (2) –1 to –2 (4) +3 to +2
What is the total number of oxygen atoms in the formula MgSO4•7H2O? [The • represents seven units of H2O attached to one unit of MgSO4.] (1) 11 (3) 5 (2) 7 (4)
Which Group 15 element exists as diatomic molecules at STP? (1) phosphorus (3) bismuth (2) nitrogen (4) arsenic
Which statement describes electrolysis? (1) Chemical energy is used to produce an electrical change. (2) Chemical energy is used to produce a thermal change. (3
How can you make sure that the food you serve them will not contain foodborne illnesses? Can someone help me please :) ?
Given the equation: HCl(g) + H2O(l)--> X(aq) + Cl--(aq) Which ion is represented by X? (1) hydroxide (3) hypochlorite (2) hydronium (4) perchlorate
what percent of 102 is 63
