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Can the substance that take part in a chemical reaction keep their properties?
In a chemical reaction, the substances involved typically undergo a change in their properties as bonds are broken and new bonds are formed. This results in the formation of new substances with different properties than the original substances.
What is a way in which chemical properties are used?
Chemical properties are used in various ways, such as identifying substances through chemical reactions, predicting reactivity with other substances, determining the suitability of materials for specific applications, and understanding the behavior of substances under different conditions.
How is stioichometry used to calculate the mass of a substance?
Stoichiometry is used to calculate the mass of a substance by utilizing the relationships between reactants and products in a chemical reaction based on the balanced chemical equation. By determining the mole ratios of the substances involved, you can convert moles of one substance to moles of another. This conversion, combined with the molar mass of the substances, allows you to calculate the mass of a specific reactant or product involved in the reaction. Thus, stoichiometry provides a systematic approach to quantify the amounts of chemicals in a reaction.
What is the name of a chemical whose presence allows two other chemicals to react with each other?
There is no chemical of that sort. The chemical general name for the substance which speeds up the reaction is known as a catalyst.
What chemical property allows substances to combine and form new substances?
This chemical property is called reactivity.
What chemical property allows a substance to burn?
salt
What receptor allows us to detect chemical substances in the air and in food and water?
Chemoreceptors. Detect taste in mouth; smell in nose; and chemicals such as oxygen, carbon dioxide, water, and glucose in body fluids.
How do the coefficients in a balanced equation compare quantites of two substances?
The coefficients in a balanced equation represent the relative number of moles of each substance involved in a chemical reaction. By comparing the coefficients of the substances in the balanced equation, you can determine the mole ratios between them. This allows you to calculate the amounts of substances consumed or produced in the reaction.
Does a permeable membrane will let substances pass through it?
Yes, a permeable membrane allows certain substances to pass through while blocking others based on their size and chemical properties. It enables the selective transport of molecules, ions, or particles across a barrier, such as in biological systems or in water filtration processes.
How is stoichiometry used to calculate the mass of a substance?
Unit conversion factors are used to convert between units of grams and moles.
How is stoichiometry used to calculate amounts of substances in a chemical reaction?
Stoichiometry is used to calculate the amounts of reactants and products in a chemical reaction by using the balanced chemical equation. This involves converting the given quantity of one substance to another using mole ratios, and then using the molar mass to convert between moles and mass. This process allows for the determination of the amounts of substances involved in the reaction.
Why is matter a pure substance?
Matter is a pure substance if it can only be separated by chemical means, NOT physical means. This could be a compound or an element. The opposite is a mixture which can be separated/broken into smaller parts by physical means.
