Which equation represents a single replacement reaction that can occur?
A. 2 Cu + FeSO4 → Fe +...
Chemistry, 23.04.2020 03:29 gwendallinesikes
Which equation represents a single replacement reaction that can occur?
A. 2 Cu + FeSO4 → Fe + Cu2SO4
B. Ag + KNO3 → K+ AgNO3
C. l2 + MgCl2 → Cl2 + Mgl2
D. K+ NaF → KF + 2 Na
Answers: 1
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How does decreasing the gas volume affect the pressure of a gas?
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Which produce would best increase the amount of heat energy that is actually gained by calorimeter b
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Write the formula for the following chemicals. 7. e. trinitrogen tetraoxide a calcium phosphate f. magnesium acetate b. potassium sulfide g nickel(iii) cyanide c carbon dioxide h. silver sulfate d. cobalt(ii) chloride
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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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