Cross Multiplication

In a chemical reaction, the rate of reaction is directly proportional to the concentration of reactants. If the concentration of reactant A is doubled, what happens to the rate of reaction?

• It doubles

• It triples

• It remains the same

• It halves

Tags

NGSS.HS-PS1-5

Which of the following is an example of a cross-multiplication in chemical equations?

• Balancing @@ ext{H}_2 + ext{O}_2 ightarrow ext{H}_2 ext{O}@@

• Calculating molar mass

• Determining reaction rate

• Finding equilibrium constant

In physics, cross-multiplication is often used to solve problems involving which of the following?

• Newton's laws

• Ohm's law

• Proportional relationships

• Quantum mechanics

Cross-multiplication can be used to solve for unknowns in which type of scientific equations?

• Linear equations

• Quadratic equations

• Exponential equations

• Logarithmic equations

In biology, cross-multiplication can help in calculating which of the following?

• Genetic probabilities

• Cell division rates

• Photosynthesis rate

• Enzyme activity

Tags

NGSS.HS-LS4-3

Which of the following scenarios can be solved using cross-multiplication?

• Determining the concentration of a solution

• Calculating gravitational force

• Finding the speed of light

• Measuring temperature

Cross-multiplication is a useful technique in which of the following scientific fields?

• Chemistry

• Physics

• Biology

• All of the above

In a titration experiment, cross-multiplication can be used to find which of the following?

• Concentration of unknown solution

• Volume of titrant used

• pH of the solution

• Temperature change

Cross-multiplication is often used in stoichiometry to find which of the following?

• Mole ratios

• Atomic mass

• Reaction time

• Energy levels

Tags

NGSS.HS-PS1-7

In environmental science, cross-multiplication can help calculate which of the following?

• Pollution levels

• Biodiversity index

• Carbon footprint

• Water pH

Tags

NGSS.HS-ESS2-6

NGSS.HS-LS2-2