Which statement is true about molecules and compounds?
question 7 options:
both are ma...
Chemistry, 21.09.2019 04:00 keilahkimbrough8
Which statement is true about molecules and compounds?
question 7 options:
both are made of only one kind of atom.
both are made of two or more atoms.
both are made of two or more elements.
both are made of only one element.
Answers: 1
Chemistry, 21.06.2019 17:30
What is the formula for the molecular compound nitrogen monoxide
Answers: 1
Chemistry, 22.06.2019 08:00
What are the similarities of physical and chemical change ?
Answers: 1
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Which part of earth’s surface receives the most direct rays from the sun? a) equator b) ocean c) poles d) mountains
Answers: 2
Chemistry, 22.06.2019 14:00
The content of manganese (mn) in steel was determined spectrophotometrically and with the use of the standard addition method. an unknown sample of mn from a digested steel sample gave an absorbance of 0.185 when analyzed spectrophotometrically. when 5.00 ml of solution containing 95.5 ppm mn was added to 50.0 ml of the unknown steel solution (digested sample), the absorbance was 0.248. calculate the concentration, in parts-per-million (ppm), of mn in the digested steel sample solution.
Answers: 3
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