Robert S.

01/23/21

How do I link my excel spread sheet contents over to a word document

I need help with trying to link my excel spreadsheet contents over to a word document (such that, when I do the data entry into excel, it also updates the word document) I have taken a basic course... more

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Chemistry

01/23/21

chemistry help please

if 0.375 moles of hydrogen are made in the reaction of zinc with hydrochloric acid, how many moles of zinc were used?

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Chemistry

01/23/21

need chemistry help

if 2.08 moles of propane (C3Hg) react with excess oxygen in a complete combustion reaction, how many moles of water are produced?

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Chemistry

01/23/21

need chemistry help

if 2.08 moles of propane (C3Hg) react with excess oxygen in a complete combustion reaction, how many moles of water are produced?

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Algebra 1

01/22/21

What is the equation of a line when the y intercept is (0,-2) and passes through the point (5,1) ?

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Chemistry

01/22/21

The energy of light is 2.84 x 10 ^ -19 J. What is the wavelength?

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Chemistry

01/22/21

need chemistry help

In the balanced chemical equation below, how many moles of lithium are required to make 0.253 moles of calcium? CaS + 2 Li —> Li2S + Ca

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Chemistry

01/22/21

chemistry (solutions)

Ammonium phosphate can be used as a fertilizer. 6.00 g of ammonium phosphate is dissolved in sufficient water to prepare 325 mL of solution.What is the concentration of ammonium ions present?

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Chemistry

01/22/21

Chemistry solution needed

83.4 g of potassium iodide is placed into enough water to make 425 mL of solution. Then, 25.0 mL of this solution is diluted to a final volume of 125.0 mL. What is the concentration of the final... more

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Chemistry

01/22/21

In the formation of carbon dioxide (CO2), how many moles of carbon monoxide (CO) are needed to react completely with 7.0 moles of oxygen gas O2? 2 CO (g) + 1 O2(g) → 2 CO2 (g)

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Geometry

01/22/21

A baseball "diamond" is a square of side length 90 feet. How far is the throw, to the nearest tenth, from home plate to second base?

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Chemistry

01/22/21

A 19.9 gram sample of a substance begins at a temperature of 25.1 Celsius. After 471 Joules of heat are added to the sample, the final temperature is 54.7 Celsius.

What is its specific heat in J/g Celsius?

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Calculus Precalculus Algebra

01/22/21

all lines parallel to the line 3x-8y=4 are given by the equation of which of the following form?

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Chemistry

01/21/21

gas ideal laws and which equation to us

gas storage cylinder for nitrogen, N2(g), is filled with 25,000 g of gas and has a volume of 25.0 L. It is designed to withstand pressures up to 1,000 atmospheres. If this cylinder is left out in... more

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Chemistry

01/21/21

Milk of Magnesia Question

Milk of magnesia, which is an aqueous suspension of magnesium hydroxide, is used as an antacid in the reaction below. How many molecules of HCl would have to be present to form 60.38 g of MgCl₂?... more

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Math Algebra 1

01/21/21

Solve using a system of equations.

Lucy and Greg each want to buy a bicycle. Lucy has already saved $35 and plans to save $10 per week. Greg has $26 and plans to save $13 per week. How many weeks will it take for Lucy and Gregory to... more

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Chemistry

01/21/21

need help with chemistry

if 0.1457 moles of aluminum sulfide react with fluorine, to make aluminum fluoride and elemental sulfur (S), how many moles of fluorine are used up?

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Chemistry

01/21/21

need help with chemistry

In the balanced equation below, how many moles of water are created if 23.8 moles of acid react with excess magnesium hydroxide?H2CO3 + Mg(OH)2 —> MgCO3 + 2 H2O

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Chemistry

01/21/21