Cirlcle the odd one... 1.SPEAKER, CALCULATOR, JOYSTICK

2.KEYBOARD.,MONITOR, SCROLL WHEEL

3. ARROW, SHUTDOWN, HOURGLASS​

Air can be considered a mixture. which statement does not explain why?

Consider the following unbalanced equation for the combustion of hexane: αc6h14(g)+βo2(g)→γco2(g)+δh2o(g) part a balance the equation. give your answer as an ordered set of numbers α, β, γ, use the least possible integers for the coefficients. α α , β, γ, δ = nothing request answer part b determine how many moles of o2 are required to react completely with 5.6 moles c6h14. express your answer using two significant figures. n n = nothing mol request answer provide feedback

A40 kilogram skier starts at the top of a 12 meter high slope. at the bottom, she is travelling 10 meters per second. how much energy does she lose to friction