04/04/18

How do I dissolve baking soda into a liquid state ??
Can I dissolve baking soda into water ???
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04/04/18

Chemistry lab help, Simulating an air bag with HCl and Baking Soda.
I have a .946L ziplock bag. I have to combine the proper amount of HCl and NaHCO3 in the bag for a lab to fill the bag enough so that it is plump but will not pop. The temperature of the room will... more
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04/04/18

Explain how the ion concentration in the soil will influence mass flow of nutrients
Soil science examination question
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04/03/18

What volume in ml do you need to prepare 100 ml a 10 mM solution of Tris....
What volume in ml do you need to prepare 100 ml a 10 mM solution of Tris (MWT 121 g/mol) from 500 ml of 0.5 M stock?
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04/03/18

What amount in gram do you need to prepare 25 ml of a 10% w/v solution of Tris (MWT 121 g/mol)?
What amount in gram do you need to prepare 25 ml of a 10% w/v solution of Tris (MWT 121 g/mol)?
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04/03/18

Its a multiple choice I have C,D,F,G right now a classmate has C,D,E....help ? PLEASE RESPOND QUICKLY
A 35g piece of  copper is warmed 45 to 55 C and placed in beaker (A) containing 100ml of alchohol at 25C. A 3tg sample of liquid water is warmed from 45 to 55C and placed in a second beaker (b)... more
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04/03/18

In the reaction N2+3H2-2NH3, if 20.0g of hydrogen react How many Liters of nitrogen are needed
Please show work this question has been stumping me for a couple hours.
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04/03/18

You place 2.80 g of phosphoric acid (H3PO4) into 150.0ml of a 1.00M sodium hydroxide solution. If the total volume remains constant, determine the following
(Hint: this is an acid base reaction)   1. the concentration of sodium ion at the completion of the reaction____ 2. the concentration of phosphate ion at the completion of the reaction____ 3.... more
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04/03/18

how many atoms are in the element Cu 58 g
any 
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04/03/18

how many atom are in the element of Zn 58 grams
any 
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04/03/18

in a fuit cocktail for every 20 ml of orange juice you need 10 ml of apple juice and 15 ml of coconut milk. What proportion of the cocktail is coconut mil
this question is from hegatymaths and the topic is about ratio and porportion. Give The answer as a fraction in its simplest form
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04/03/18

what mass in grams of mgcl2 will be produced if 3.00g of mg(oh)2 reacts
help!!!!!
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04/03/18

What feature of the inner membrane of the mitochondrion allows this organelle to produce a great amount of energy?
what is feature ofthe inner membrane.
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04/03/18

how do I solve this
46.2x10-2
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04/02/18

A 10.0 mL of 0.121 M H2SO4 is neutralized by 17.1 mL of KOH solution according to the following balanced chemical reaction. H2SO4 (aq) + 2 KOH(aq) →K2SO4(aq) +
A) Find the number of moles of KOH that reacted with H2SO4. (that means moles of KOH that naturalized 10.0 mL of 0.121 M H2SO4) B) What is the molarity of the KOH solution ?
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04/02/18

what is the concentration of the cytoplasm?
in terms of water? in terms of sugar?  
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04/02/18

if I have a 15mL bottle nail solution and the pt , total days supply the med would last? pharmacy. tech math help please
if I have a 15mL bottle for anti-fungul nail solution and the pt is to apply twice a day on one toe thumb what is the total days supply the med would last? pharmacy. tech math help please
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04/02/18

several small cells have more surface area than a larger cell true are false?
is this statement true or false 
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04/02/18

chemistry 111
if the mass % of cl- was 27.87 % and 19.75 ml of 0.1 M Agno3 was used to titrate, what was the mass of the original unknown chloride sample
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04/02/18

homework help
determine the mass% of Cl- if it takes 21.35 ml of Agno3 to titrate 0.375 g of an unknown chloride sample?
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04/02/18

potassium permaganate + hydrochloric acid
Reacts what it will form  
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04/02/18

What is the meaning of the quote, "crying wolf is a real danger." said by David Attenberough.?
I was reading some quotes when I found this one and unfortunately I am not able to understand its meaning. I hope if someone can explain it to me asap.
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04/01/18

Chemistry Question
An ionic compound consisting of bromide and an unknown metal M, dissolves in water via the following reaction: MBr2-> M + 2 Br. When 500g of MBr2 is added to 250mL of water, the resulting... more
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04/01/18

Chemistry Question
lculate the minimum number of grams of AgCl that must be added to 250ml of water in order to form a precipitate. Ksp= 1.8 x 10^(-10) for AgCl
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04/01/18

How many grams of barium sulfate will be formed from 200.0 g of barium nitrate and 100.0 g of sodium sulfate?
The balanced equation is:Ba(NO3)2 + Na2SO4 BaSO4 + 2 NaNO3
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