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# Search Results for rates - All Grades

1275 questions match "rates". Refine Your Search

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Grade 10 Reactions
What is the rate at which reactants change into products over time?
1. production rate
2. reaction rate
3. interest rate
4. chemical rate
Grade 9 Culture

This question is a part of a group with common instructions. View group »

Zero population growth occurs when                                             .
1. The death rate is higher than the birth rate
2. The birth rate is equal to the death rate
3. The death rate is lower than the birth rate
4. The birth rate is higher than the death rate
Grade 6 Fractions and Ratios CCSS: 6.RP.A.2
Grade 10 Fitness
College Business
College Business
None Finance
The                is expressed as a percentage.
1. credit rate
2. economy rate
3. interest rate
4. credit score
Grade 11 Fitness
The heart rate that should not be exceeded during exercise.
1. Target heart rate
2. Maximum heart rate
3. Recovery heart rate
4. Resting heart rate
Grade 10 Fitness
Grade 8 Motion in Two- and Three-Dimensions
College Business
College Business
Grade 11 Fitness
220 - age = ???
1. Resting heart rate
2. Maximum heart rate
3. Target heart rate
4. Heart rate reserve
College Public Health
Which of the following is NOT mentioned as 1 of 5 key health indicators most commonly used by those working in global health?
1. Infant mortality rate
2. Obesity rate
3. Life expectancy rate
4. Maternal mortality ratio
5. Neonatal mortality rate
Grade 12 Kinetics and Equilibrium
Consider the following chemical reaction:

$2CH_3CHO (g) -> CH_4(g) + CO(g)$

What is the correct expression for the rate law of this chemical reaction?
1. $Rate=k[CH_3CHO]^2$
2. $Rate=k[CH_3CHO]$
3. $Rate=k[CH_4] [CO]$
4. $Rate=k[CO]$
Grade 10 Personal Finance
Grade 6 Fractions and Ratios
Grade 6 Fractions and Ratios
Grade 12 Kinetics and Equilibrium
Which of the following rate laws is correct for a unimolecular reaction?
1. Rate=k[A]
2. Rate=k[A][B]
3. Rate=k[A][B][C]
4. None of the above
Grade 11 Kinetics and Equilibrium
Based on the rate law for the reaction, an increase in the concentration of hydrogen ion has what effect on this reaction?
1. The rate of reaction increases.
2. The rate of reaction decreases.
3. The value of the rate law constant increases and decreases at the same time
4. Neither the rate nor the value of the rate law constant is changed.
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