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An aircraft with mass 43581 kg has a constant acceleration of 1.7 m/s2 as it starts (from rest) down the runway for take-off. The plane reaches take-off speed in 34.8 seconds.
What is the aircraft's take-off speed in miles per hour?
Element X has two isotopes- X - 100 and X 104. If the atomic mass of X is 101 amu, Explain what is the relative abundance of each isotope in nature
What is the magnitude of the maximum gravitational force that each can exert on the other?
Calculate the molar mass of the unknown gas. Remember that the faster the rate of effusion, the shorter the time required for effusion; that is, rate and time are inversely proportional.
A solution of sulfuric acid (H2SO4) is to be reacted with a solution of sodium hydroxide to make sodium sulfate and water. 240 mL of the H2SO4 solution reacts with 217mL of the NaOH solution. If the morality of the NaOH solution is 0.219 M, comput..
Decrease the net ionic equation for the reaction 61.5mL of 0.11 M sodium hydroxide were required to completely neutralize 23.7mL of sulfuric acid.
The mass of the crucible plus CaO was 26.7134 g). What is the concentration of Ca (40.078 g/mol) in the river water in units of part per thousand (ppt) (by mass), assuming the river water has the same density as pure water
2C2H6(g) + 702(g) -> 4CO2(g) + 6H2O(l) How many moles of CO2 are produced when 5.10 mol of ethane are burned in an excess of oxygen
Draw the first two wave functions
Determine the H3O+ concentration of a solution that has a pH of 8.75. Calculate the OH- concentration of a solution that has a [H3O+] of 3.5 x 10-10M.
Explain what is the percent dissociation of a benzoic acid solution with pH = 2.59? The acid dissociation constant for this monoprotic acid is 6.5
The general rate law is: rate=k[A]^2. How long is the third half-life of the reaction if [A]0 is 0.080M and the first half life is 22 min
Problem- The corona of the sun emits a spectral line at about 677 m due to the presence of an ionized 57Fe atom (molar mass of 0.0569 kg mol^-1). If the line has a width of 0.053 nm, what is the temperature of the corona
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