04/01/18

How do I calculate the days supply for Cefadroxil 500mg/5mL 100 mL 30 mg/kg by mouth daily and patient weighs 44 lbs.
This professor is not helping us with these problems as he should. Please let me know how set this up to figure it out so that I can pass this class.  
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04/01/18

How many mg of dextrose are available in 75 mL of Dextrose 5%
I need help with this because I have a very ineffective teacher who is not teaching us this on a regular basis but continues to put the questions on tests.  Please help me with this.  
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04/01/18

What mass of simple sugar glucose is produced by the reaction of 1.5g of water?
Green plants use light from the Sun to drive photosynthesis. Photosynthesis is a chemical reaction in which water H2O and carbon dioxide CO2 chemically react to form the simple sugar glucose... more
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03/31/18

How to calculate the mass-relationship?
I have difficulties figuring out how to calculate the mass-relationship between N and P in ammoniumphosphat (NH4)3PO4? Is it 1:1?
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03/30/18

What lobe of the brain is impacted by the nail? What function of the brain may Mauro have damaged in this accident?
Football helmets cover the entire braincase and provide a lot of protection to the player's head. However, concussions are still very common in football. The brain is made of soft nervous tissue... more
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03/30/18

how can i find the highest temperature of a reaction. it is an enthalpy of reaction lab with Mg and HCl
and then how do i find the maximum temperature (deltaT). 
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03/29/18

FIguring Grams to Milligrams in an emulsion
If I have 2 grams of powder that gets mixed in 20 oz of an emulsion, then separated out into 10 (2 oz) containers, how many milligrams of powder will each container have?
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03/29/18

Chemistry stoichiometry
Using stoichiometry, calculate the volume of O2 gas at 1.25 atm and 18.0 ̊C, which forms when 10.5g KClO3 decomposes according to the reaction:2KClO3--> 2KCl + 3O2 Potentially useful... more
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03/29/18

what volume of 0.558M HNO3 SOLUTION IS REQUIRED TO REACT completely with 45.55 mL OF 0.0515m bA(oh)2?
this question comes from a take home exam that is due tomorrow. i don't know what i should do to solve this problem, i don't understand
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03/29/18

oxygen and sulfur are in the same group
 plese help me with this
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03/29/18

Solid silver is placed in a solution of aluminum sulfate
Predict the products of these single replacement reaction using activity series. Write a balanced molecular equation, including states.
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03/29/18

A human fingernail grows about 1 nanometer per second cehck this claim by how often you trim your nails
This is math word problem on units
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03/29/18

Which has highest chemical bond energy ionic or triple
This question was asked in jandkset 2018 and the options were ionic bond,single bond ,double bond,triple
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03/28/18

Chemistry help
Metal sulfites, such as Na2SO3, also react with HCl to produce a gas than escapes from the reaction mixture. For example: Na2SO3+ 2 HCl -->2 NaCl + H2O + SO2(g)   Which reaction below would... more
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03/28/18

Chemistry help
True or false? If 1.0 g of NaHCO3 and 1.0 g of Na2CO3 were to each react with excess HCl, both reactions would produce identical masses of CO2(g).
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03/28/18

Chemistry help
3. A metal carbonate containing an unknown +2 metal ("MCO3") reacts with excess acid resulting in the loss of CO2. Analysis of the experimental data indicates that the mass % CO2 in the unknown... more
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03/28/18

Chemistry help
Zinc(II) carbonate, ZnCO3, has a theoretical mass % CO2 of 35%. If 1.00 g of ZnCO3 reacts with excess HCl according to the procedure in this experiment, what mass of CO2 is lost as the ZnCO3 and... more
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03/28/18

Chemistry help
The exact mass of NaHCO3 that was weighed was 0.75g. The mass lost in the reaction was found to be 0.42 g. Calculate the experimental mass % CO2 in this solid.
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03/28/18

A titration done to standardize a solution of NaOH requires 15.7 mL of NaOH for 0.610 g of KHP. What is the concentration of the NaOH solution?
A titration done to standardize a solution of NaOH requires 15.7 mL of NaOH for 0.610 g of KHP. What is the concentration of the NaOH solution?
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03/28/18

How many mL of 0.100 M NaOH would be required to reach the equivalence point with 0.420 g of KHP (potassium phthalate, MM = 204.2 g/mol)?
How many mL of 0.100 M NaOH would be required to reach the equivalence point with 0.420 g of KHP (potassium phthalate, MM = 204.2 g/mol)?
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03/28/18

explain how the yield, purity and atom economy of the substances prepared may be affected by changes to the methods used
I need help with this experiment how do I relate this to ethyl ethanoate and aspirin experiment 
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03/28/18

What is the mass of the precipitate formed when 50ml of 16.9% solution of AgNO3 is mixed with 50 ml of 5.8% solution of NaCl?
It's a question from chemistry for neet of chapter 1, some basic concepts of chemistry of class 11? 
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03/28/18

is color a physical property
or radioactivity
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03/27/18

Glycolysis is an example of
A. A decomposition reaction B. A pyrolysis reaction C. A synthesis reaction D. A double displacement reaction
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03/27/18

The sum of three numbers is 133 . The second number is 3 times the third. The first number is 8 more than the third. What are the numbers
The sum of three numbers is 133. The second number is 3 times the third. The first number is 8 more than the third. What are the numbers
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