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Question 1. Find the density (in g/mL) of the following substances: baby oil, dawn dish soap, molasses, light corn syrup, 90% rubbing alcohol, vegetable oil, and water.
Question 2. If you carefully pour (no mixing just pouring) one by one these substances in a large beaker or glass bottle, predict what will occur (explain in words or by a drawing).
Question 3. Find on the web the atmospheric pressure of Baltimore, convert the pressure into atmospheres.
Which of the following is less soluble in hexane, ethanol or CCl3H(l). Don't try to type the subscripts, just use letters and numbers.
A high protein diet contains 78 g of carb, 150 g of protein, and 6.8 g of fat. How many kilojoules does this diet provide
The solubility of caffeine in water is 2.2mg/mL at 25 degrees celsius and 670 mg/mL at 100 degrees celsius. How many mL of boiling water would it take to dissolve 23g of caffeine
what is the difference between a metal in its elemental state and a metal ion? what are the different chemical and
the freezing point (5.5 C) and boiling point (80.1 C) of benzene and the temperature difference between these points was divided into 50 units (called X), what would be the freezing and boiling points of water in X
You find a log that could be spruce or birch. In order to figure out which is, you put the log in a big bucket and find that it displaces 2.7 gallons of water and it weighs 19.8 lbs. Is it spruce or birch? (Density of spruce 0.9 g/cm^3, birch 0.4 ..
How many molecules of substance B are produced when 30.0 g of substance A reacts? The molar mass of substance A is 23.5 g/mol. A) Convert the mass of A to moles
a zero-order reaction has a constant rate of 3.70times10-4 . if after 45.0 seconds the concentration has dropped to
calculate the molar absorptivity (epslion) of Cu2+ at 620nm given that the curvettes used in lab had a pathlegth of 1.00 cm.
some amount of potassium dichromatenbsp k2cro7 thatnbsp is 2.335 g isnbsp dissolved in enough h2o to prepare a
what is the enthapy change needed to heat 1 kg of water at 0.4 MPa and 4°C to steam at 150°C and 0.4 MPa? b/ Does a state change from saturated vapor at 230°C to the state 100°C and 0.05 MPa represent an enthalpy increase or decrease?
A mixture consists of lithium carbonate (Li2CO3) and potassium carbonate (K2CO3). These react with hydrochloric acid as follows.
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