07/07/21

Determine the mass of silver produced in the reaction if 6.50•10^23 atoms of magnesium react
2AgNo3(s)+Mg(s)→Mg(NO3)2(s)+2Ag(s)
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07/07/21

According to the following reaction, how many grams of dinitrogen monoxide will be formed upon the complete reaction of 24.6 grams of ammonium nitrate?

ammonium nitrate (aq) dinitrogen monoxide (g) + water (l)
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07/07/21

An experiment requires that enough C3H6O3 be used to yield 15.0 g of oxygen. How much C3H6O3 must be weighed out?

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07/03/21

Essay help, grammar and critique please.

Hi, I am looking for someone to help critique my essay as to why I want to be a physician assistant. While I shadowed a trauma surgeon, a young girl was admitted into the trauma unit, she had been... more
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07/01/21

Can someone please answer this question completely
The nutrition facts are given for a packet of instant oatmeal. Calculate the energy in Calories available from the total carbohydrates, from the total fat, and from the protein, in one serving of... more
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06/29/21

An office heater puts out 2010 Btu (British thermal units) of energy in the form of heat per hour.

An office heater puts out  (British thermal units) of energy in the form of heat per hour. Given that  how many megajoules of energy in the form of heat can be produced per year (365 days) by the... more
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06/23/21

An American penny is composed of a zinc core coated in copper...

An American penny is composed of a zinc core coated in copper. Suppose that some of the copper is filed away, exposing the zinc, and placed in a solution of hydrochloric acid. Will the exposed zinc... more
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06/16/21

Given the following balanced equation, determine how many moles of iron (III) sulfide, Fe2S3 (also known as “fool’s gold) form when 0.876 mol of Fe react. 2 Fe (s) + 3 S (s) --> Fe2S3 (s)
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06/16/21

Complete the set-up below and then calculate how many moles are in 3.69 x 10^22 atoms of Ag
3.69 x 10^22 atom Ag X ?/? = ?
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06/15/21

4NH3 + 5O2 = 4NO + 6H2O How many grams of Oz were required to make 10.00 grams of H20?

Grateful for any help given!
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06/15/21

Hiiiiiiiii!!! Pick me, pick meeee lol
How many hundred thousand people living in the world are living in poverty, given that n people in the world are living in poverty.
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06/15/21

What is the molecular formula for compound with the ratio of of 1 mole of nitrogen per 2 moles of oxygen if the formula mass for the compound is 138 g/mol?
Hey! Please help, I have no idea how to do this. :)
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06/14/21

What is the number of grams of propane, C3H8(g), required to produce 36 g of water vapor, H2O(g)?
The balanced equation is: C3H8(g)+5O2(g)=3CO2(g)+4H2O(g)
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06/14/21

A sample of baking soda was dissolved in water and the pOH of the solution was found to be 5.81. Calculate the pH, [H₃O⁺] and [OH⁻] of the solution
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06/14/21

What volume in liters of fluorine gas is needed to form 687 L of sulfur hexafluoride gas if the following reaction takes place at 2.00 atm and 273.15 K: S(s) + 3F₂(g) → SF₆ (g)?
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06/12/21

general chemistry chapter 8

A liquid is exposed to infrared radiation with a wavelength of 4.55×10−4 cm. Assume that all the radiation is absorbed and converted to heat. How many photons are required for the liquid to absorb... more
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06/11/21

(Stoichiometry)
1 C₃H₈(g) + 5 O₂(g) → 3 CO₂(g) + 4 H₂O(g) - Identify the Limiting Reactant in the following problem and identify how much of the excess reactant remains after the reaction has reached completion.... more
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06/11/21

My algebra homework is confusing. Um can I get some help quickly

Identify the function that best models the given data. A.) f(x) ≈ 199(1.25)xB.) f(x) = 1.25x + 199C.) f(x) = 1.25x2 − 2.25x + 199D.)
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06/11/21

If you travel 500 kilometers in 5 hours, your average speed is?
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06/10/21

Adipic acid, H2C6H8O4, used to produce nylon, is made commercially by reaction of Cyclohexane (C6H12) and oxygen gas (O2).
a. write the balanced chemical equation for the given reaction above.b. is the reaction exothermic or endothermic? Explain.c. how many grams of Adipic acid will be formed if 25.0g cyclohexane... more
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06/10/21

Why is understanding motion so important? Be sure to answer in your own words.
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06/10/21

Le Chatelier's Principle; Concentration
Given the following reaction:H2(g) + CO2(g) <--> H2O(g) + CO(g)If the concentration of carbon monoxide gas is decreased, the reaction will shift to the to the ___ restore equilibrium.A.... more
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06/10/21

H2SO4 + 2 NaOH = Na2SO4 + 2 H2O How many grams of Na2SO4 could be produced from 4.94 moles of sulfuric acid?
Grateful for any help given!
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06/10/21

C2H6 + 7O2 = 4 CO2 + 6 H2O If you wanted to produce 5.83 moles of carbon dioxide, how many moles of oxygen would you needed to have started with?
Grateful for any help given!
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06/10/21

If 8.36 moles of Oxygen react, how many grams of Carbon Dioxide can be produced?
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