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Suppose you establish a new temperture scale base on the freezing point and boiling point of ethylene glycol. You establish that the freezing point is (-11.5 'C) as 0.0 'N, and the boiling point is (197.6 'C) as 100.0 'N. Generate the conversion equations to calculate the degrees in Celsius, Fahrenheit and Kelvin. Hint: Freezing point of water is found at 5.5 'N
What is the molar mass of the unknown solution containing 1.01 g of unknown in 17.74 g biphenyle froze at 42 degrees C. Pure biphenyl freezes at 71.0C
Differentiation between cis and tran isomers when it comes to cyclohexane. drawing the chair confermation and understanding "up"
When 0.228 g of the hydrate ZnSO4•xH2O is heated, 0.128 grams of anhydrous ZnSO4 remains. What is the value of x in the formula for the hydrate?
121 cal of heat are added to 50.0 g of water initially at 15.0 (degrees celsius). What is the final temperature of the water.
Imagine that you have a 5.50 gas tank and a 4.00 gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch.
what mass of chromium could be deposited by electrolysis of an aqueous solution of Cr2(SO4)3 for 160 min. using a constant current
Some MF2 is dissolved in water at 25oC to make a saturated solution. (M is a mystery metal - it's identity can be ignored.) Some of the solution is removed and tested
A compound with the empirical formula CH2O was found to have a molar mass between 89 and 91 g. What is the molecular formula of the compound?
what effect could having too much compound in the capillary tube have on the observed melting point? a) the observed melting point would not change
moles of an ideal gas in an initial state T1 = 300 K and P1 = 0.5 bar undergo an isothermal compression until the pressure of the system is four times the original pressure
An automobile gasoline tank hold 21kg of gas. When the gasoline burns, 84kg of oxygen is consumed and carbon dioxide and water vapor are produced. What is the total combined mass of carbon dioxide and water that is produced?
The equilibrium constant Kp is measured (at an unspecified temperature) to be 0.66 for the reaction:
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