01/20/21

Halogenalkanes properties?
What are Halogenalkanes? What type of intermolecular force do they have and like why do they have such low boiling points? Heard the number of carbon in the chain plays a big role in this but I... more
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01/20/21

Combustion of C13H18O2?

Ibuprofen is an anti-inflammatory medicine write and balance the reaction formula for the complete combustion of C13H18O2(ibuprofen). And explain the process step by step. So I get that when it... more
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01/20/21

Which one is a dipole and why? Isomers

These are three isomers of dibromobenzene as follows in the list down belowSo Which molecule or molecules are dipoles and why? How does their structural formula play a role in this? Justification/... more
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01/20/21

calculating hydrogen atoms
how many hydrogen atoms in 3c7h17?
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01/20/21

Chemistry - Stoichiometry
In the balanced chemical equation below, how many moles of sodium fluoride are needed to produce 92.2 moles of calcium fluoride?CaSO4 + 2NaF —> Na2SO4 + CaF2
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01/20/21

Chemistry gas pressure moles
Which of the following sets of gas variables describes the largest number of molecules?1.00 L of Ar at 0 °C and 1.00 atm1.00 L of CH4 at 0 °C and 1.25 atm1.00 L of CO2 at 20 °C and 1.00 atm1.00 L... more
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01/20/21

chemisty 2 question

A concentrated solution of sulfuric acid has a density of 1.72g/mL and contains 79.7% sulfuric acid by mass. A 75 mL quantity of concentrated sulfuric acid is diluted with water to make a final... more
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01/20/21

Compute the root-mean-square speed of Ne molecules in a sample of neon gas at a temperature of 199°C.
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01/20/21

For the balanced equation shown below, balance it then solve how many moles of CaC2 will react with 0.8686 moles of H2O? 1 CaC2+ 2 H2O => 1 C2H2+ 1 Ca(OH)2
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01/20/21

how many moles of Cr be produced by 0.6337 moles of Cr2O3?

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01/19/21

need help with chemistry

If 5.78 moles of calcium nitrite reacts with excess cesium, how many moles of cesium nitrite can be made?
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01/19/21

need help with chemistry

When chlorine gas reacts with carbon dioxide to make carbon dioxide tetrachloride and oxygen gas, how many moles of carbon containing product are made from 14.78 moles of carbon dioxide?
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01/19/21

need help with chemistry

In the balanced chemical equation below, how many moles of sodium fluoride are needed to produce 80.7 moles of calcium fluoride? CaSO4 + 2NaF —> Na2SO4 + CaF2
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01/19/21

chemisty 2 question 2
how many moles of sodium chloride should be added to 0.875 kg of water to produce a solution that boils at 103.00 celcius? assume ideal van't Hoff behavior is observed.
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01/19/21

chemsitry 2 question

how many moles of solid magnesium chloride is required to mix with 15 mol of water to produce an aqueous solution with a magnisium chloride molarity of 0.36 m? the molar mass of MgCl2 is... more
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01/19/21

How many ppm of lead are there if 0.2 g of lead is found in 50 L of water?
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01/19/21

a solution is made up of 20 ml of isopropyl alcohol topped up to 200 ml of water. what is the concentration of this solution?
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01/19/21

If 78.2 grams of oxygen (O2) react with plenty of copper Cu, how many moles of copper (II) oxide (CuO) will be produced?
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01/19/21

If 20.0 grams of hydrochloric acid (HCl) react with sodium sulfate (Na2SO4 ), how many grams of sulfuric acid (H2SO4 ) will be produced?
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01/19/21

If 5.5 grams of sodium fluoride (NaF) reacts with magnesium (Mg), how many grams of sodium (Na) will be produced?

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01/19/21

How many grams will 67cm^3 of Benzene weigh if the density of benzene is 0.614g/cm^3
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01/19/21

Mystery liquid X has a vapor pressure of 200 torr at 33.0 celsius and 819 torr at 80.5 celsius . What is the normal boiling point of mystery liquid X in Kelvin?

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01/19/21

Balancing Complex Redox Reactions

How would you go about balancing this type of redox reaction?Au(s) + NaCN(aq) + O2(g)+ H2O(l)---> Na[Au(CN)2](aq) + NaOH (aq)
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01/19/21

How many grams of carbon dioxide are produced by the combustion of 30 grams of CH4 with excess Oxygen?
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01/19/21

How many grams of O2 are produced when 50 grams of SO3 react?

Balanced form: 2 SO3 = 2 SO2 + O2
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