08/01/18

1.48 g H2 is allowed to react with 10.0 g N2, producing 1.83 g NH3.
1.48 g H2 is allowed to react with 10.0 g N2, producing 1.83 g NH3.   Part AWhat is the theoretical yield in grams for this reaction under the given conditions?Express your answer to three... more
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07/31/18

if the tank hold 60 liters and its 3/4 full how many do i need to fiil up
I need to find out how many do i need to fill up the tank that holds 60 liter but it 3/4 full
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07/31/18

if the tank hold 60 liters and its 3/4 full how many do i need to fiil up
I need to find out how many do i need to fill up the tank that holds 60 liter but it 3/4 full
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07/30/18

A science teacher uses separating funeral in his class for teaching. What concept is being taught in his context.
A science teacher uses separating funeral in his class for teaching. What concept is being taught in his context.
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07/30/18

Arrange the following in the increasing order of the N-O bond lenght
NO2Cl NO2- NH2OH NO2+  
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07/29/18

What would happen to the formation constant?
How would the formation constant for [Cd(NH3)4 2+] be affected (increase, decrease, or no change) if not all of the CdC2O4 precipitate reacted with NH3? Justify your answer.
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07/27/18

Calculate ΔH for the overall reaction in units of joules
A styrofoam cup calorimeter is used to determine ΔH for the acid-base reaction: CH3COOH (aq) + NaOH (aq) ⇔ NaCH3COO (aq) + H2O (l)   when 25.00mL of 0.500M NaOH at 23.00°C is added to 25.00mL of... more
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07/27/18

please answer
which has higher ionisation enthalpy and why Be+ and Be
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07/27/18

please answer
how many of following have greater z-effective than silicon atom   Na,Mg,Al,P,Cl,S,N,O,C,F
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07/26/18

A radioactive substance decays from 600 g to 105 g in twelve days. Determine the half-life for this substance.
Math 12. Pre Calculus 12 Word problem involving logorithms on half life question. 
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07/26/18

find number of molecules
calculate number of molecules in 9g of CO2
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07/25/18

What is the density of the solid object?
A certain liquid has a density of 0.79355 g/mL. A solid object with a mass of 43.51 grams is placed in a sample of the liquid (the solid is insoluble in the liquid). The total volume of the solid... more
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07/25/18

How many moles of sulfur atoms are present in 830 milligrams of allicin?
The compound responsible for the smell of garlic is called allicin. By mass, allicin is composed of 44.4% carbon, 6.2% hydrogen, 9.9% oxygen, and 39.5% sulfur. The molar mass of allicin is 162 g/mol.
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07/24/18

What is Percent Yeild of reaction
0.428 liters of hydrogen gas was reacted with excess fluorine gas to produce hydrogen fluoride. Given that the density of the hydrogen gas is 0.082 g/L, what was the percent yield of the reaction... more
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07/24/18

The basic SI unit for measuring mass is the liter. True or false
Please answer quickly! Very much appreciative thank you! :)
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07/20/18

How many miles of water are there in a sample that has a mass of 4.842 g
Conversion
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07/20/18

Working out percentages
If a cars legal weight is 3500kg.  Although is found to weigh 5580kg.  How do you work out what percentage (%) the car is overweight?   Thanks. 
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07/18/18

A 4 pound bag of grass seed covers 9,000 square feet. How many pounds would be needed to cover 25,000 square feet?
How many pounds would be needed?
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07/17/18

Why this decarboxylation of 3 chloro 4 oxo pentanoic acid gives no reaction
Why decarboxylation is not possible? 
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07/16/18

Stoicheometry question: Missing step?
I've done this problem but it was wrong. I calculated my limiting reagent, how much Aluminum i need, calculated my theoretical yield. is there a step i'm missing? please show work so i see where i... more
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07/15/18

A rectangular painting is three times as long as it is wide. The area of the picture is 588 in^2. Find the dimensions of the painting.
 I dont know it.
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07/15/18

if you leave your house at noon and your drive is 2.3 hours what time shall you arrive
math world problem    
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07/15/18

potassium permanganate reacts with hydrochloric acid forms potassium chloride, manganese chloride, chlorine and water
Write the balanced chemical equation
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07/14/18

when 68 g of NH3 react with 192 g of O2 then calculate the amount of NO formed (in moles)?
How much NO formed (in moles)
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07/13/18

If someone sent me $74 and I got $70.33 how much % did tax take?
Hello am trying to calculate PayPal tax please help and thanks
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