Answers edited by Nam D.

• Back to user's profile
• Next
• Question #e93ed
  
• Question #9234f
  
• What is the acceleration of a car moving 20 m/s constantly for time interval of 5 second?
  
• How many molecules of hexane are contained in 25.0mL of hexane? The density of hexane at room temperature is 0.6548g/mol.
  
• Which type of solution is one with a pH 8?
  
• What is the work done when a 22-N force pushes a cart 3.2 m?
  
• Question #0a4d2
  
• What is $4068.80 rounded to the closest cent?
  
• How do you simplify #sqrt(10a) * sqrt(30a)# ?
  
• Question #5ea6f
  
• What is the percent by mass of hydrogen in aspirin, #C_9H_8O_4#?
  
• What improves an organism's ability to survive and reproduce in its environment?
  
• Question #0ac24
  
• Question #df810
  
• What feature of a cell membrane allows it to repair itself quickly?
  
• Question #ff1bb
  
• A 3.00-L flask is filled with gaseous ammonia, NH3. The gas pressure measured at 20.0 ∘C is 2.55 atm . Assuming ideal gas behavior, how many grams of ammonia are in the flask?
  
• Question #14583
  
• In galvanic cell why anode is negative and cathode is positive?
  
• How do you write the first five terms of the sequence #a_n=n(n^2-6)#?
  
• How many protons are in a #""^179 Ta# nuclide?
  
• Robin bought a bow and 15 arrows at Nottingham Archery Supply. The total price was $254. In Nottingham there is a 6.5% sales tax. How much tax did Robin pay?
  
• How do you solve for u in #4/(u+6)=6/(u+6)+2#?
  
• Which has a higher #pH# value : #0.01 M# #NaOH# or #0.1 M# #NaHCO_3#?
  
• Question #5f724
  
• The distance between the earth and the moon is about 384,000 km. calculate the time it takes for light to travel from the moon to earth?
  
• A 9 kg ball starts at the top of a 84 m high building. How much kinetic energy does it have three-quarters of the way to the ground?
  
• Question #d6381
  
• Question #52fc8
  
• How do you multiply #4n ^ { 0} \cdot 4m ^ { - 3} n ^ { - 1}#?
  
• Question #9f0bc
  
• If the same force is applied to m1 and m2 the mass of m1 is twice m2 what is the acceleration of m2 interms of a1?
  
• Question #b0450
  
• Question #2cb15
  
• Question #6429b
  
• What will be the volume of #8g# of #H_2# gas at the pressure of #4atm# and temperature of #300K# ?
  
• A projectile is shot at an angle of #(5pi)/12 # and a velocity of # 1 m/s#. How far away will the projectile land?
  
• Question #d02ff
  
• Question #15c3f
  
• Question #d1a01
  
• Question #70956
  
• What is the volume of a solution that has a specific gravity of 1.2 and a mass of 185 g?
  
• Question #f0136
  
• Question #b136b
  
• Question #a3836
  
• Question #62c6b
  
• How do you use shorthand notation?
  
• How do you tell which element/ molecule is the most reactive? (nonmetals)
  
• What is the mass percentage of the gold in the alloy? What is the mass percentage of the palladium in the alloy?
  
• Question #1bcc9
  
• How do you divide #\frac { 6} { 2} \div \frac { 10} { 9}#?
  
• A body of mass 40 kg has weight 460 N at a certain planet. What is the weight of: (a) 450 gr (b) 50 kg and (c) 15 gr on that planet?
  
• Question #8ff20
  
• In what organ is pepsin also, besides stomach, made?
  
• How do you solve #\frac { 3n } { 2} = \frac { 7} { 9}#?
  
• Question #e19af
  
• Question #dfe04
  
• Question #35edd
  
• Gaseous chlorine atoms would then react with gaseous ozone (#O_3#) to form gaseous chlorine monoxide and gaseous oxygen. Write the balanced chemical equation for this reaction. How do I do this?
  
• What is the mass of #9.75xx10^26# #"lithium atoms"#?
  
• An airplane starts at rest on a runway. It accelerates at #4.44 m/s^2#, and travels 738 m before taking off. How long did it take?
  
• Please Help - Molality?
  
• Question #ab1f4
  
• Question #00483
  
• How do you solve #14g - - 10g - - 17g - 20g - - 8= - 13#?
  
• How many moles of O2 in 32.0 grams of O2 gas?
  
• How do you solve #-8( - 2- 5n ) - ( - 6n + 2) = 14#?
  
• Question #9d191
  
• Question #01f1c
  
• Question #6319c
  
• What separates living from non-living?
  
• Why motion happens?
  
• Question #3d3a3
  
• Question #1f8ff
  
• How do you write an equation of a line passing through (2, 4), perpendicular to #10x - 5y = 8#?
  
• What is the improved quadratic formula to solve quadratic equations ?
  
• Caleb types 100 words in 5 minutes. What is the unit rate?
  
• Question #eb69b
  
• How do you solve #|4x + 1| = 12#?
  
• Question #3c377
  
• Multiplying and Dividing Algebraic Fractions PLS HELP?
  
• For the function f(x)=(x-3)^3+1 find f^-1(x) ?
  
• Question #95e51
  
• An airplane starts at rest on a runway. It accelerates at #4.44 m/s^2#, and travels 738 m before taking off. How long did it take?
  
• Next