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If you perform a number of titrations on different samples of the sulpuric acid, you need to measure out 25.0 ml of the acid each time. Does the mean deviation of the volume of your pipette samples describe the precision or the accuracy of your work?
Please write precision or accuracy as your answer.
Explain how the acid hydrolysis of starch differs from the enzyme catalyzed hydfolysis. Compare products as well as conditions of time and temperature
Depict all forms of histidine at pH 6.5 present at a level of at least 10% of the total possible forms.
How much heat is absorbed by 15.5g of water when its temperature is increased 20.0C to 50.0C?The specific heat of water is 4.184J/(g.C)
Explain when heated, a 3 g sample of ammonium perchlorate, NH4ClO4 ignites and burns in the absence of any other material to produce N2, HCl, H2O and O2. State the balanced chemical equation for this process also determines the mass of H2O produce..
A student added more KSCN solution thatn instructed when making standard solution. assuming no other errors were made in the experiment, would the value of the equilibirum constant determined
In a particular experiment, 2.25 g of NH3 and 3.75 g of O2 are placed in a container and allowed to react. How many grams of NO will have been formed when all of the limiting reactant has been consumed?
ammonia nh3 with kb 1.8 x 1005 is added to 100 ml of waterat room temperature and the vapor pressure of water above
What is the density of the unknown? I don't know how to get from g/cm^3 to g/ml
Which set of atoms is correctly arranged in order of increasing electronegativity (lowest electronegative atom listed first)?
A 100 mL of a 0.100 M solution of vinegar (acetic acid, CH3COOH) is mixed with 100 mL of a 0.100 M baking soda (sodium bicarbonate) solution and a reaction proceeds that generates carbon dioxide, water and sodium acetate.
Problem- 1) If the object is closer to the lens than the focal point, the object appears to be larger with a magnification larger than 1.
If the volume of the reaction vessel in part (b) was 1.50 , what amount of (in moles) was formed during the first 15.0 of the reaction
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