A wooden object has a mass of 10.782 g and occupies a volume of 13.72 ml. what is the density of the object determined to an appropriate number of significant figures?

Which of these processes indicates that smelting copper is a chemical change? It involves melting copper to form liquid metal. It involves heating charcoal to high temperatures. It involves drawing copper into long wires.

Why are the top of sea mounts flat?

Will mark brainliest 35 pts 1. What happens to the soft-drink solution when you increase the amount of powder in a given amount of water? 2. How could you tell which of two different soft-drinks solutions are more concentrated? 3.

Given: h2o (aq) + h2o (l) h3o + (aq) + oh - (aq) δh°rxn > 0 when the temperature of a sample of pure water is raised above 25°c,

What do you need in order to do a stoichiometric calculation? (Choose multiple) Balanced Chemical Equation Molar masses of compounds involved The type of reaction taking place Oxidation Numbers

How many total electron will fit in the 1st energy level

Which statement best explains how the models differ? Model A shows the formation of ions, and model B does not show the formation of ions. Model A does not show the formation of ions, and model B shows the sharing of electrons.

What is the enthalpy of combustion (per mole) of C3 H8 (g) ?

Describe how speed, velocity and acceleration are related?

What is 3 ethyl 3, 4 dimethylheptane abbreviated structural formula?