Which pure substance can be classified as a element

A 65.0-gram sample of some unknown metal at 100.0° C is added to 100.8 grams of water at 22.0° C. The temperature of the water rises to 27.0° C. If the specific heat capacity of liquid water is 4.

Answer the question below based on the periodic table entry for bromine. How many neutrons does bromine have? 10 35 45 80

A vector is an arrow that shows both ___ and direction Of an object in motion

What action leads to crystal formation in minerals? A. The atoms and molecules join together. B. Chemicals break apart. C. Temperature changes create unusual shapes. D. The atoms or molecules form repeating structures.

What effect does the terrain of a biome have on its climate and weather

All substances taking part in a certain interaction are shown below: Butane is written followed by an addition sign followed by Oxygen followed by an equal to sign followed by Carbon dioxide followed by an addition sign followed by Water.

Which is less likely to be a relatable source of information the webpage of a university or the webpage a scientist who is trying to sell a new invention explain

Suppose you were to use a 0.500 M solution of sodium hydroxide instead of the 0.100 M solution of sodium hydroxide. How many mL of 0.500 M NaOH would be needed to titrate 10 mL of the HCl used in this experiment? Choose the closest answer.

3 ways of improving the quality of an indigenous soap

A liquid is in a closed container and has a constant vapor pressure. What is the relationship between the rate of evaporation of the liquid and the rate of condensation of the vapor in the container?