chem 1010 Chapter 4 pre-quizzes material with complete verified solutions
3 views 0 purchase
Course
Chem 1010
Institution
Chem 1010
A______________ represents both the identities and the relative quantities of substances undergoing a chemical change.
chemical equation
The reaction between methane and oxygen yields.
carbon dioxide and water
Substances undergoing reaction are called _____________, while the substa...
chem 1010: Chapter 4
pre-quizzes material
with complete verified
solutions(GUARANTEE
D SUCCESS)
A______________ represents both the identities and the relative quantities of
substances undergoing a chemical change. - answer chemical equation
The reaction between methane and oxygen yields. - answer carbon dioxide
and water
Substances undergoing reaction are called _____________, while the
substances produced in the reaction are called _____________. - answer
reactants, products
The relative numbers of reactant and product species are represented
by_______________. - answer coefficients
Coefficients for a chemical reaction are usually represented as the
smallest set of____________. - answer whole-numbers ratios
Methane and oxygen react to yield carbon dioxide and water in a
___________________. - answer 1:2:1:2 ratio
, A balanced chemical equation means that_______________ of atoms for each
element involved in the reaction are represented on the reactant and
product sides. - answer equal numbers
________________ define the identity of the substance, while ______________
define the stoichiometric ratios of substances. - answer Formula
subscripts, coefficients
To balance a chemical equation, _______________ are added stepwise before
reactants and products to ensure that the number of atoms of each
element are the same on both the reactant and product side. - answer
coefficients
Sometimes fractions are used as intermediate coefficients. Subsequently
the entire equation is multiplied by a(n) ______________ to convert the
fractional coefficients to integers without upsetting the atom balance. -
answer whole number
Match the physical states of reactants and products in chemical equations
with the parenthetical abbreviations - answer solid: (s)
liquid: (l)
gas: (g)
aqueous solution: (aq)
A balanced equation where the reactants and products are given as
formulas or is called a_______________ equation. - answer molecular
A________________ equation explicitly represents each of the dissolved ions
that result from dissociation of the ionic compounds. - answer complete
ionic
________________ are present on both the reactant and product side of a
chemical equation and are not changed in the course of the reaction. -
answer Spectator ions
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller GUARANTEEDSUCCESS. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $14.49. You're not tied to anything after your purchase.
