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Calculate the launch velocity needed to successfully land the ball into the bucket for each distance, and enter it in the table below. Remember that the launch angle (θ) was 27.5°, the launch height (yi) was 9.59 m, the height of the bucket opening (yf) was 2.5 m, and the range (75 m) is the catapult-bucket distance.
A typical loaf of bread contains 120 mg of sodium in each 1-ounce slice. What is the concentration of sodium in the bread in ppm
What characteristic absorption bands would you expect to find in the infrared spectrum of caffeine?
3.45 g of an unknown gas at 41 °C and 1.00 atm is stored in a 1.25-L flask. What is the density of the gas. What is the molar mass of the gas.
a solution contining agno3 is mixed with a solution of nacl to form a solution that is 0.10 m in agno3 and 0.075 m
write the full mechanism and balanced equation for the reaction of horseradish peroxidase as an enzyme
Describe in detail how the addition of plant residues in soil with high C:N ratio may lead to N deficiency in soils.
Calcium cyanamide, CaCN2, reacts with water to form calcium carbonate and ammonia; CaCN2(s)+3H2O(l)-->CaCO3(s)+2NH3(g). a) How many grams of water are needed to react with 75.0 g of CaCN2
Given a stock solution of a food dye having a concentration of 1.0 x 10-5 and an absorbance of 0.700. If a new solution is made by diluting exactly 10.0 mL of the solution with exactly 44.4 mL of distilled water, what should the absorbance of the ..
Given the equation y=-5640.5+14.086. Using he slope calculate the activation energy of the reaction.
If 4 mol of a gas at 100 K and 1 atm occupies a volume of 2.5 L, what would the pressure be, in atm, if the volume decreased to 2.0 L and the temperature increased to 110 K
An element crystallizes in a body-centered cubic lattice. The edge of the unit cell is 3.06 , and the density of the crystal is 7.01. Calculate the molar mass (in g/mol) of the element.
A cylinder with a moveable piston contains 0.84 mol of gas and has a volume of 328 mL. What will its volume be if an additional 0.27 mol of gas is added to the cylinder? (Assume constant temperature and pressure.)
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