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1. What are the different types of error that can occur during an experiment? Give an example of each one.
2. How do can you avoid error while taking measurements?
3. What is the least count of Vernier caliper and a meter scale? Which is better to use for a measurement and why?
4. What is the difference between accuracy and precision? Give two examples for each (be creative).
**The above questions are on measurement.
Question- Predict the abbreviated was using the appropriate noble gas ground-state electron configuration of the following ions: Ru2+, Zn2+, Ni2+.
Para-bromonitrobenzene melts between 124-127 degrees C as well as ortho-bromobenzene melts between 40-44 degrees C. Define why the less polar isomer melts at the higher temperature. Define some properties of these isomers and use one to support you..
Lead is a toxic metal that affects the central nervous system. A Pb-contaminated water sample contains .0011% Pb by mass. What volume of water in mL contains 115 mg of Pb
a patient weighs 165 pounds and is to receive a drug at a dosage of 45.0 mg per kg of body weight. the drug is supplied
The density of a gaseous compound of phosphorous is 0.943 g/L at 496 K when its pressure is 709 Torr. What is the molar mass of the compound?
What mass of potassium benzoate is needed to prepare one liter of a 0.135M solution of potassium benzoate?
It seems like in order to generate a C9H10 product after the tert-butanol elimination the Bromine that's added initially couldn't be on the any of the aromatic ring carbons, which inclines me to belive that answer A is correct.
Choose only the mixtures that constitute buffer solutions. Can someone how i would determine this as well? 0.30 M HOCN mixed with 0.35 M NaNO3
4 KO2 + 2 H2O + 4 CO2 4 KHCO3 + 3 O2 1.86 moles of O2 were produced.Now, How many molecules of O2 does this number of moles represent.
The human body obtains 965KJ of energy from a candy bar. If this energy were used to evaporate water at 100 degrees celsius, how much water (in liters) could be vaporized
Gaseous oxygen is held in two separate containers at identical temperature and pressure. The volume of container A is 6.48 L and it contains 0.785 mol of the gas. The volume of container B id 5.78 L. How many moles of the gas are in container B
Calculate the mass of carbon dioxide produced from 39.4g of octane in this reaction: 2C8H18 + 25O2 to 16CO2 + 18H20
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