A chemical names an element

What is a change in heat energy when 40 g of water at 25°C is raise to 60°C

Is the following radiation, conduction, or convection? in a factory there is a large vat of liquid. The liquid is heated.

Which object is accelerating? ⦁ A car traveling at a constant velocity around an oval shaped track. ⦁ A bicycle slowing down as it goes up a steep hill. ⦁ A skate border speeding up as he skates down a ramp. ⦁ All of the above.

What is not a way that a mineral can be formed

Cu + AgNO3 → Ag + CuNO3 Question: Copper metal reacts with silver nitrate solution according to the reaction equation above. If 15.32 grams of copper reacts with excess silver nitrate solution, calculate the amount of silver that could be produced.

Using the kinetic theory what happens to oxygen particles as they are cooled

Identify the following: 1. The only 2 liquid elements. 2. The element in period 4, group 0. 3. The second metalloid in period 4. 4. The first element in group 4A.

You are about to open a container of soy milk but notice that there are instructions to "shake well before serving." the soy milk is most likely a

Give reason: a. Fractionating columns with beads are used for fractional distillation b. Crystallisation is a better technique than evaporation

How can a gardener remedy soil that is overly acidic?