A liquid mixture of water and alcohol has a density of 900kg/m3. find the mass of alcohol in one litre of the mixture

The diagram below shows the reactants and products of a chemical reaction. What property of reactions does this diagram illustrate? Carbon + Oxygen arrow Carbon dioxide A. Energy is always produced in a synthesis reaction. B.

Coulomb's law predicts that charged bodies may attract or repel each other. true or false

The kinetic energy of a ball with a mass of 0.5 kg and a velocity of 10 m/s isJ.

If one bulb broke in series circuit the other will light up?

A car travels with an average speed of 55 miles/hr. What is this speed in a. m/hr? b. km/s? c. m/s?

Describing Acceleration Which statements describe acceleration? Check all that apply. Negative acceleration occurs when an object slows down in the positive direction.

A 900-kg giraffe runs across a field at a rate of 50 km/hr. What is the magnitude of its momentum? 18 km/hr

Compare and contrast the average kinetic energy of 0.5 L of coffee at 34ÁC,

A spring balance attempts to drag an object across a table, but the object does not move because of the force of friction acting on the body in an equal and opposite direction.

Is the sun abiotic or biotic