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element mercury has a density of 13.6 g/ml. how many kg of mercury could occupy a volume of 500ml?
Determine how much Nitrogen gas is consumed if 13.6 grams of FeN are formed in above reaction?
Gasohol contains ethanol (C2H5OH) which when burned reacts with oxygen to produce CO2 (g) and H2O(g). How much heat is produced when 12.5 grams of ethanol burns.
Consider a 53.5 g sample of H2O(g) at 117°C. What phase or phases are present when 134 kJ of energy is removed from this sample.
how could you use IR spectroscopy to identify which alkene is in which vial? How do you determine what the wavenumber values are for specific compounds/ elements?
How many peaks would you expect to find in the NMR spectrum of caffeine? What characteristic absorption bands would you expect to find in the infrared spectrum of caffeine?
Solving this question helps the student to understand how to find molecular formula using moles and mass and What is the molecular formula of this compound?
a 100 g sample of water at 23C is added to a 45 g sample of water at 99C. what is the final temperature of the sample
A 15.6 mL sample of vinegar, containing acetic acid, HC2H3O2, was titrated using 0.6216 M NaOH solution. The titration required 19.80 mL of the base. Assuming the density of the vinegar to be 1.0 g/mL, what was the percent (by mass) of acetic acid..
A 350 mL air sample collected at 35 degrees C has a pressure of 550. mmHg. What pressure will the air exert if it is allowed to expand to 425 mL at 57 degrees C?
In a butane lighter, 9.8 of butane combines with 35.1 of oxygen to form 29.6 carbon dioxide and how many grams of water.
Examine the label of any vegetable oils, solid shortening, margarine, or butter you might have on hand. Identify the oil or fat and report the level of saturated, mono-unsaturated
Describe at least 4 methods that could be used to attempt to separate the oil and water at home. Based on the four methods postulate which method would work better than the others.
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