The figure below shows a clawhammer as it is being used to pull a nail out of a horizontal board. A force of magnitude 150 N is exerted horizontally as shown. (NOTE: Assume that the force the hammer exerts on the nail is parallel to the nail and that the x-component of this force’s lever […]
Elmer really likes to cook with onions and he puts onions into almost everything he makes. He usually starts dinner every day around 5:00 pm. As he is cutting the onions, the grandfather clock chimes five times because it is 5:00pm. Elmer is also crying because cutting the onions makes his eyes water. One evening […]
How many moles of NaOH would be required to completley neutralize 37.22mL of 0.25M HCl?
I am doing an assignment on identifying unknown bacteria. One of the questions is if you had to disinfect a surface that was contaminated with your unknowns which type of disinfectant would you use for each and why?
alright i have 3 questions:1.A force does +130 J of work when it acts on a moving object and its direction is in the same direction as the object’s displacement. How much work does this force do when the angle between it and the object’s displacement is 56°?2.A 30-kg girl is bouncing on a trampoline. […]
Liquid benzene ({rm C}_{6}{rm H}_{6}) reacts with gaseous oxygen to form carbon dioxide and liquid water.
Niobium has a density of 8.57g/cm
Light is normally incident on a thin soap film and is reflected. If the wavelength of this light is “L” and the index of refraction of the soap film is “N”, complete destructive interference will occur for a film thickness of:
If a person has high insulin levels are the considered hyperglycemic or hypoglycemic?
Sodium will react with oxygen to form sodium oxide. Use the formula below to determine how many grams of sodium oxide will be formed if 46 grams of sodium are used in the reaction. 4Na + OËÃ æ 2NaËÃO