Which coefficient of O2 is needed to balance the equation C3H8 + O2 → 3CO2 + 4H2O?

a. 2

b. 3

c. 5

d. 6

Velocity of sound increases on a cloudy day. Why?

A charged particle moving along a direction perpendicular to the plane of a loop of current-carrying wire, and which passes through the loop's center, will experience

What are the three main types of species interactions that occur in a community?

What does a Battery and a human have in common?

Kecepatan sebuah benda dinyatakan dengan persamaan vx=8t+2 vy=12+2t, jika posisi awal pastikel (2,5), maka posisi benda pada saat t=4s adalah?

At what stage of a reaction do atoms have the highest energy? a. reactant stage b. product stage c. transition state stage d. The stage of highest energy depends on the atom.

A moon with a mass of 6.0 x 10 kg orbits about a planet with a mass of 5.0x 10^24 kg. They are 4.0 x 10^8 meters apart What is the gravitational force between them? The answer is 1.

What is the expression of the chemical composition of a compound?

What do we call it when an object exerts force on another for a short period of time? * Momentum Work Impulse Friction

The strength of the electric field 0.5 m from a 6 µC charge is positive N/C. (Use k = 8.99 * 109 N• and round answer to the nearest whole number.)