Find the mean medium mode and range of this data 49 49 54 55 52 49 55

When an object's volume is made smaller and its mass remains the same, its density: increases. decreases. remains the same. increases then decreases.

Does the chemical symbol of the element beryllium correspond to the name of the element?

How are evaporation and sublimation similar? A Both involve the formation of a gas. B Both release energy to the surroundings. C Both take place throughout a solid. D Both take place at the surface of a liquid.

If we have 22 molecules of sodium sulfate in water, how many sodium ions will be observed in solution?

Who revised the periodic table

How many particles are in 1 mole of a substance?

Initially you dissolved all, or most, of the p-aminobenzoic acid in ethanol. then you slowly added sulfuric acid. as you did this, a large amount of white solid formed. during the course of the reaction, that white solid dissolved.

How do you know if a chemical reaction has occurred?

Why must a container or system be closed for equilibrium to be established?

What is the bond angle between the hydrogen atoms in an ammonia (NH₃) molecule?