Chemistry, 24.10.2021 19:10 ddwithdadarco
Consider the formula of the compound, calcium chloride. Select all the statements that apply to this image.
a) A covalent compound is formed
b) Chlorine becomes a negative ion
c) The chemical formula is CaCl2
d) Calcium transfers electrons to the chlorine atoms
e) The subscript 2, is used to balance the charges
Answers: 1
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
Chemistry, 23.06.2019 06:40
How many joules of heat are required to raise thetemperature of 750 g of water from 11.0 °c to 19.0 °c?
Answers: 1
Consider the formula of the compound, calcium chloride. Select all the statements that apply to this...
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