Which of the following is a scalar quantity?

A. 14 gallons

B. 2 mph down

C. 8 m/s^2 east

D. 8 feet to the right

During combustion, a fuel's electromagnetic energy is converted into thermal energy.

A girl delivering newspapers covers her route by traveling 5.00 blocks west, 5.00 blocks north, and then 7.00 blocks east. What is her final position relative to her starting location?

CFC, Freon, and aerosols are becoming less commonly used because they A) cause acid rain. B) harm the ozone layer. C) have radioactive waste. D) cause Alzheimer's disease.

The frequency output of a digital MAP sensor is reading 114 Hz. What is the approximate engine vacuum?

What name is given to the elements that appear in the right-most column of the periodic table? Question 11 options: Alkali metals Noble gases Transition metals Alkaline earth metals

Which equations are balanced? Check all that apply. Mg3N2 + H2O → 3MgO + 2NH3 C3H8 + 5O2 → 4H2O + 3CO2 Zn + 2HCl → ZnCl2 + H2 3Ca (OH) 2 + 2H3PO4 → Ca3 (PO4) 2 + 6H2O 3H2SO4 + 2Fe → Fe2 (SO4) 3 + H2 4Al + 3O2 → 2Al2O3

Covert the names below into formulas in an equation then balance the equation 1.) Aluminum bromide plus chlorine yields aluminum chlorine plus bromine 2.) sodium phosphate + calcium chloride yields calcium phosphate + sodium chloride

In a inverse relationship, when one variable increases, the other

A chair of weight 75.0 N lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of F = 42.0 N directed at an angle of 38.0 ∘ below the horizontal and the chair slides along the floor.

A car travels 20 km west, then 20 km south. what is the magnitude of its displacement? A) 0 km B) 20 km C) 28 km D) 40 km