05/26/22

What is the saponification of cyclohexyl-2-ethylpentanoate?
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05/19/22

An aerosol can has an internal pressure of 10 atm at 28 C what temperature is required if the final pressure is 20 atm??
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06/11/21

Dalton and Grahms law
6. Helium has a pressure of 160 mmHg, Carbon Monoxide has a pressure of       240 mmHg, Hydrogen has a pressure of 80 mmHg, and Methane has a       pressure of 320 mmHg. What is the total pressure... more
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06/11/21

Dalton and Grahams law
5.Nitrogen has a pressure of 593 mmHg, oxygen has a pressure of 160        mmHg, argon has a pressure of 7 mmHg. What is the total pressure of a        container that is filled with these gases.
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06/11/21

dalton and grahams law
1. At STP which of the following gases will diffuse most rapidly? Explain your answer                   H2 , F2, Ne  Xe2. Under the same conditions of temperature and pressure, rank the following... more
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05/20/21

Arrange these elements in order of increasing ionization energy: oxygen, silicon, carbon, and gallium
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04/16/21

How many moles of KOH are needed to neutralize 1.5 moles of sulfuric acid?
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03/14/21

Word Problem x1
In 1992, the moose population in a park was measured to be 5000. By 1999, the population was measured again to be 2800. If the population continues to change linearly: Find a formula for the moose... more
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03/02/21

A sample of trifluoroacetic acid contains 15.7g of oxygen calculate the mass of the acid sample in grams

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02/27/21

Chemistry grade 11, Periodic trends
Which of the series below is ordered in ascending order?A) Radius of: H-, H and H +B) First ionization energy of: oxygen, fluorine and neonC) The electronegativity of: chlorine, bromine and... more
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02/04/21

need chemistry help
How many moles of hydrogen carbonate need to decompose to produce 0.75x10^24 moles files of carbon dioxide if water is the only other product?
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02/03/21

hey can someone pls help me again
here is the the link that has the pic of what I need help with:help please, sorry, i know its kind of alot - Brainly.com
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02/03/21

Exponential Functions
If egg yolks have a pH of 6.4 then what is the pH of egg whites of they are 63 times more alkaline?
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02/03/21

Exponential Functions
An earthquake of 6.7 occurred off the coast of British Columbia. A few hours later an aftershock occurred that was 150 times less intense than the original earthquake. What was the magnitude of the... more
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02/03/21

need chemistry help
How many moles of oxygen gas are required to completely combust 14.7 g of methane gas (CH4)
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01/30/21

can i please actually receive help because i need it please please please someone
Question 1: Identify the graph for the point C(−2, −1, 2) in three-dimensional space.A.)B.)C.)D.) Please give and only give the explanation and solution.
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01/30/21

Chemistry math help
A bag of doritos has about 0.53 grams of salt (Nal). Convert to moles
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01/30/21

Ph difference in orange juice versus baking soda

Given that the pH of orange juice is 4.0 and the pH of baking soda is 8.0, how many times more acidic is the orange juice compared to the baking soda solution?
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01/29/21

Chemistry (gas)
8. Besides using NaN3, there are a number of chemical reactions that produce N2 gas. One such example is,NH4ClO4(s) + heat = N2(g) + Cl2(g) + O2(g) + H2O(l)a) How many grams of ammonium perchlorate... more
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01/25/21

Mathhhhhhhhhhhhh
X+3y=15 and 2x-3y=-6 in substitution
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01/25/21

need chemistry help
in the balanced chemical equation below, how many grams of lithium carbonate are produced from 0.19 moles of lithium phosphate and excess iron(ll) carbonate? 3FeCO3+Li3PO4 —> Li2CO3 + Fe3(PO4)
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01/25/21

need chemistry help
the following chemical equation has NOT been balanced Na + H20 —> NaOH + H2how many grams of sodium are needed to produce 0.250 moles of hydrogen gas?
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01/25/21

chemistry question
The following chemical equation has NOT been balanced. Na + H2O --> NaOH + H2 How many grams of sodium are needed to produce 0.250 moles of hydrogen gas?
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01/22/21

Net Ionic Equation
Predict the mass of precipitate (Ni(OH)2(aq)) expected when 50.0 mL of 0.45 M nickel(II) sulfate solution (NiSO4(aq)) is combined with 25.0 mL of 1.00 M sodium hydroxide solution (NaOH(aq)).
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01/21/21

Chemistry Stoichiometry

if 10.8 moles of sodium nitrate reacts with excess iron iii chloride, how many moles of iron iii nitrate can theoretically be made?
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