03/03/24

Using molarity to find solute moles and solution volume
Calculate the volume in liters of a ×3.2910−4/molL magnesium fluoride solution that contains 175.g of magnesium fluoride MgF2. Be sure your answer has the correct number of significant digits. Put... more
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02/14/24

Need help with a few simple chemistry questions regarding an article
Hi, I need help figuring out a few questions regarding chemistry with a particular article. Would take tops an hour.
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08/21/23

How do the measures firefighters take relate to the chemistry involved?
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05/15/23

Hi this is bella

Each boat will complete the course in 7 1/2 minutes for a total of 105 minutes. How many hours and minutes will this be?
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03/03/23

A mixture of two hydrocarbons, C8H18 (octane) and C7H8 (toluene), has a mass of 167 g.
A mixture of two hydrocarbons, C8H18C8H18 (octane) and C7H8C7H8 (toluene), has a mass of 167 g.167 g. The hydrocarbon mixture is burned in excess oxygen to form a mixture of carbon dioxide and... more
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12/14/22

Stoichiometry lab question (please respond ASAP)
Stoichiometry Lab Problem Assume you are given these materials:beaker Electronic scaleSodium hydrogen carbonate 2M HClSpecify size of equipment used: E.g. 500 ml beaker was used.design a method... more
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12/06/22

the reaction of MnO2(s)+4HCl(aq)--- MnCl2(aq)+Cl2(g)+H2O(l) was being studied.12.2g of MnO2 were reacted with 70 ml of 2.5 m HCl solution, the chlorine prod0.971 atm at temp of 78.2C

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01/16/22

Show how you would produce N-ethyl-N-isopropylethanamide starting with ammonia, an organohalide (alkyl halide), and an alcohol.
Show how you would produce N-ethyl-N-isopropylethanamide starting with ammonia, an organohalide (alkyl halide), and an alcohol.
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01/15/22

Highschool Physics: frequency
A musician is playing a song with various cups filled to different heights with water. She wants a particular glass to produce a sound wave of 520 Hz when struck. If the cup is 20.2 cm tall how... more
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01/12/22

Finding determinate source of error
An analyst applies the neutralization titration method to determine the amount of NaHCO3 in an antacid tablet. Before the measurement, the analyst checks the method by titrating a standard sample... more
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12/11/21

A mixture of methane and hydrogen gases contains methane at a partial pressure of 403 mm Hg and hydrogen at a partial pressure of 501 mm Hg. What is the mole fraction of each gas in the mixture?
A mixture of methane and hydrogen gases contains methane at a partial pressure of 403 mm Hg and hydrogen at a partial pressure of 501 mm Hg. What is the mole fraction of each gas in the mixture?
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