09/08/21

Physical science
what three assumptions about particles in a gas are made by kinetic theory.
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08/31/21

The freezing point depression of a glucose solution is measured to be 1.71 °C. What is the molal concentration of this solution?
Some possibly useful constants for glucose (C6H12O6, 180.16 g/mol) and water are Kf = 1.86°C/m , Kb = 0.512°C/m, freezing point = 0°C, and boiling point = 100°C. Enter your value with 2 decimal values more
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08/31/21

What is the freezing point (in °C) of a glucose solution, if the solution contains 302.9 g of glucose (C6H12O6, 180.16 g/mol) in 823.2 g of water.

Some possibly useful constants for water are Kf = 1.86°C/m , Kb = 0.512°C/m, freezing point = 0°C, boiling point = 100°C, and density 0.997 g/mL. Enter your value with 2 decimals.
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08/31/21

There are 300 light particles in an airtight container. Which adjustment would increase the speed of the particles?
A. keeping the volume constant and cooling the containerB. keeping the temperature constant and increasing the container volumeC.keeping the temperature constant and increasing the container... more
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07/15/21

Chemistry 122 d
A quantity of 2.00 moles of gas is trapped in a 18.0 L container at 13•C. Calculate the pressure of the gas in this container.
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07/07/21

According to the following reaction, how many grams of barium sulfate will be formed upon the complete reaction of 21.4 grams of sulfuric acid with excess barium hydroxide?

barium hydroxide (aq) + sulfuric acid (aq) barium sulfate (s) + water (l)
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06/23/21

organic chemistry
   Write a general reaction equation for sulphur containing compounds with sodium or potassium hydroxide by filling in the equation below. What is the name of the sulphur containing... more
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06/16/21

Significant figures

How many significant figures does each number contain ?a. 8.080 * 10 ^ 28
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06/16/21

can someone please help me with this asap?
2. Nitrogen(N2) and oxygen(O2) react to form nitrogen dioxide(NO2). If the reaction vessel initially contains 4.0 moles of nitrogen and 5.0 moles of oxygen, describe the contents (in terms of moles... more
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06/16/21

How many cups are there in 1.00 mole of sucrose(C12H22O11)?
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06/16/21

Help! I am stuck! Due today!!
Read the given equation:Ca(OH)2 + 2HCl → CaCl2 + 2H2OWhich of the following is true about the equation? (5 points) Ca(OH)2 is the base and CaCl2 is the salt. Ca(OH)2 is the acid... more
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06/14/21

Chemistry can someone show me how they did it and got answer

A sample of argon is in a balloon with an initial volume of 5.00 L is heated from 25 ̊C to 35 ̊C. What is the new volume of the balloon, if the pressure constant?
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06/12/21

Hello. I need help immediately with my homework. I always receive help after my homework is due. Please respond as soon as possible

Question 1:For the reaction 2HNO3 + Mg(OH)2 → Mg(NO3) 2 + 2H2O, how many grams of magnesium nitrate are produced from 4 grams of nitric acid, HNO3 ?Round your answer to the nearest tenth. Do not... more
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06/07/21

Chemistry Unit 1

C12H26 + O2 → H2O + CO2List the type of bond each compound contains
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05/18/21

Solve this task.

Determine the mass of copper (I) sulfid which can be oxidized with 7.8 x 1023 oxygen molecules. Reaction products are copper (I) oksid and sulfur (IV) oxide.
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05/18/21

The enthalpy for boiling water is 40.7 kJ/mol. What is the quantity of heat (in kJ) required to boil 292.1 g of water?
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05/18/21

How many moles are in 1.36 x 1022 atoms of yttrium?

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04/05/21

Chemistry Help Please! I am very confused

4.00 L of a 6.20 M NaOH solutionExpress your answer with the appropriate units.
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04/05/21

MORE THAN 1 QUESTION
given the formula C7H12+10O2->7Co2+6H2O How many grams of CO2 can be produced from 15g of oxygen? How many grams of carbon dioxide can be produced from 0.455 moles of C7H12? What is th limiting... more
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03/17/21

If 10.00 moles of aluminum chloride are decomposed into aluminum and chlorine gas, how many grams of chlorine gas are produced?
531.8 grams Cl21,064 grams Cl21,595 grams Cl22,127 grams Cl2
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03/05/21

chem question help please
How many liters of 6.24 M sulfuric acid are requried to fully neutralize 623.4 mL of 9.00 M lithium hydroxide?
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03/03/21

what type of reaction is C3H8 (g)?
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03/03/21

Complete the balanced chemical reaction for the following weak base with a strong acid. In this case
, write the resulting acid and base as its own species in the reaction.NH3(aq) + HCl(aq)
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02/08/21

chemistry stoichiometry

If in the double replacement reaction of excess iron(II) phosphate with 24.69 kilograms of aluminum nitrite the products are iron(II) nitrite and aluminum phosphate, how many particles of iron(II)... more
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02/08/21

Calculate the boiling point (in oC) of an aqueous solution which is 0.126 m in potassium carbonate.
Kb = 0.52 oC/m
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