Questions in Grade High-school

Questions in Grade High-school

[Homework Help] How many formula units of [tex]$NaNO_3$[/tex] are in 5.23 moles of [tex]$NaNO_3$[/tex] (Mw. 85.00 g/mol)?

[Homework Help] A machine can produce 248 bolts in one hour. Write an expression to describe the number of bolts produced in \( n \) hours.

[Homework Help] Which sequence of events affecting moist air within Earth’s atmosphere causes cloud formation? A. Rising, expanding, cooling, condensation B. Rising, contracting, warming, evaporation C. Sinking, expanding, warming, condensation D. Sinking, contracting, cooling, evaporation

[Homework Help] If 115% of a number is 460, what is 75% of the number? Please explain the work behind the solution.

[Homework Help] Which of the following is considered to be a dangerous procedure in the laboratory setting? A. Pouring all liquids, especially acids and bases, over the sink B. Wearing goggles C. Pushing glass tubing, thermometers, or glass thistle tubes through a rubber cork D. Pointing the mouth of a test tube that is being heated away from you and others E. Knowing where the fire extinguisher and eyewash stations are located

[Homework Help] how many halves are there in 14 and a half how many halves are there in 14 and a half

[Homework Help] Solve for x: \[ 64^{x-2} = 256^{2x} \]

[Homework Help] In most of its compounds, this element exists as a monatomic cation. A. F B. S C. N D. Ca E. Cl

[Homework Help] Simplify the following expressions and explain the work behind the solution. 1. \((-7x^2 - 7x - 7) - [(7x^3 - 9x^2 - 20) + (4x - 11)]\) 2. \((5x^4 + 8x^2 + 2) + 7(5x^4 - 3x^2)\)

[Homework Help] Which has a greater buoyant force: light corn syrup or vegetable oil?