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A plane was travelling from Toronto to an unmarked location, 285 km [45° N of E]. After dropping off a package, it continued for 75 km [22° W of N]. The whole trip took 2.0 hrs. Determine the average speed and average velocity of the plane.
An ice cube of mass 10.0g. Is at -20oC. How much energy is needed to make the ice into steam at 172oC?
39 ml of .2 M HCL and 50 ml of .4 M NaOH are mixed. After mixing, but before they react, what is the new M of the HCL and NaOH?
How many electrons in a ground-state krypton atom are in orbitals labeled by ml = 1
If you were to carry out saponification of ethyl hexadecanoate, would you expect the product to generate foam/froth when mixed and agitated with water
Using the quantities 3 grams of salicylic acid and 6ml of acetic anhydride noted in the macro scale procedure and any other necessary data, calculate the theoretical yield in moles and grams of aspirin.
Glycine can be obtained in three forms (differing in charge and conjugate ions): (a) glycine hydrochloride, (b) isoelectric glycine (sometimes called glycine, free base), and (c) sodium glycinate. Draw the structures of these three forms.
What is the empirical formula of menthol? Add subscripts to complete the empirical formula.
Should you ask your boss if you can use the money to buy two tickets? Why? in flying or lying in business class
Carbon oxide (carbon (II) oxide) can be purified of oxygen impurities by having it react with cobalt (II) oxide. If the impure carbon oxide contains a volume of 1.5% oxygen, and if it reacts with cobalt (II) oxide at 250 °C and 500 kPa.
a rectangular block has dimensions 2.9 cm . 3.5 cm . 10.0 cm. the mass of the block is 615.0 g. what are the volume and
WHY did lactose produce mnCO2 in an anaerobic fermentation experiment? (Hint: lactase mechanism, how do sugar transporters work,
During studies of the reaction below, 2 N2H4(l) + N2O4(l) ? 3 N2(g) + 4 H2O(g) a chemical engineer measured a less-than-expected yield of N2 and discovered that the following side reaction occurs
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