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Directions: For each of the following reactions write: 1) the balanced molecular equation, 2) the complete ionic equation, and 3) the net ionic equation. If there is no reaction write "no reaction".
1. Mg(NO3)2(aq) + Na2CO3(aq) → MgCO3 (s) + 2 NaNO3(aq)
5.HBr(aq) + CaCO3(aq) →
6. Ni(NO3)3(aq) + KBr(aq) →
7. Cobalt (III) bromide(aq) + potassium sulfide(aq) →
8. HCl(aq) + K2SO3(aq) →
9. calcium nitrate(aq) + ammonium phosphate(aq) →
10. barium hydroxide(aq) + iron (III) chloride(aq) →
An artifact has a carbon-14 decay rate of 9.53 disintegrations per minute per gram of carbon (9.53 dis/minxgC). Living organisms have carbon-14 decay rate of 15.3 dis/minxgC. How old is the artifact?
Problem- For a particular reaction at 234.2 C, delta G = 143.16 kj and delta s = 965.06 j/k. Calculate delta G for this reaction at -20.3 C
Determine the overall charge on each complex. a) hexachloroplatinate(IV) b) triamminetriiodocobalt(III) c) diaquadichloroethylenediaminecobalt(III)
Copper crystallizes in a face-centered cubic lattice. What is the mass of one unit cell. Report your answer in grams.
Problem- A buffer is prepared from 0.25 mol benzoic acid and 0.15 mol sodium benzoate in 500 mL solution. a. What is the pH of the buffer? b. If 6.2 g of KOH are added to the buffer will the capacity be exceeded? c. Calculate the pH after KOH addi..
Write the expression for the dissociation constant, Ka, for the acid. What is the value of Ka if a solution of formic acid contains
Phosphate standards used to generate the calibration curve are usually made by first preparing a stock solution of known concentration.
question lindane is a toxic insecticide that causes dizziness and diarrhea in humans. find the molecular formula for
Is it fair for the industrialized nations to expect that all nations, including the less developed ones, restrict their use of fossil fuels
Given that mass was lost from the copper carbonate hydrate during heating, in this decomposition reaction, how many moles of solid product were produced? The molecular weight of the solid product is 79.545 g/mol (moles = mass / molecular weight).
How many moles of O2 are required to completely react with 1.77 moles of C3H6 according to the following reaction. 2CEH6 + 9O2 => 6CO2 + 6H20
What proposal did Pauling make to estimate the ratio of the radii of certain anion-cation pairs
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