Which formula below can be used to calculate speed? Speed = Volume ÷ Mass

Speed = Time ÷ Distance

Speed = Mass x Acceleration

Speed = Distance ÷ Time

At stp, what is the volume of 1 mole of co2?

Asmall amount of a solid is added to water. the observation made after fifteen minutes is shown in the figure. which of these solids has been probably added to water? a) oil b) sand c) sugar d) wood chips

Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture