Algebra/chemistry: earthquakes
Not what you're looking for?
Use the earthquake magnitude scale to answer the question.
1.) how much energy, in joules, is released by an earthquake of magnitude 5?
A) 7.9 x 10(13) joules
B) 2.5 x 10(9)joules
C) 7.9 x 10(11)joules
D) 7.6 x 10(11)joules
2.) how much energy, in joules, is released by an earthquake of magnitude 3.4?
A) 7.9 x 10(13)joules
B) 6.3 x10(7) joules
C) 3.1 x 10(9) joules
D) 3.0 x 10(9) joules
Use the pH scale to answer the question.
3) what is the hydrogen ion concentration of a solution with pH 6.5?
A) 3.2Ã-10 -6
B) 3.2Ã-10 -8
C) 3.2 x 10-7
D) 3.2Ã-10 -9
4) what is the pH of a solution with a hydrogen ion concentration of 0.00001 mole per liter? is this solution an acid or a base?
A) pH=8;base
B) pH=5;acid
C) pH=7;neutral
D) pH=6; acid
Provide an appropriate response.
5) use the 1960s peak annual growth rate of 4% and population of 4 million to predict the current growth rate with a Logistic model?assume a current country population of 9 million. ASsume the carrying capacity is 24 million.
A) 7.80 %
B) 4.50%
C) 3.00%
D) 4.00%
I also need help with problems 6-10 (see attachment)
Purchase this Solution
Solution Summary
Converting Richter magnitude to Joules.
Education
- BSc, University of Bucharest
- MSc, Ovidius
- MSc, Stony Brook
- PhD (IP), Stony Brook
Recent Feedback
- "Thank you "
- "Thank You Chris this draft really helped me understand correlation."
- "Thanks for the prompt return. Going into the last meeting tonight before submission. "
- "Thank you for your promptness and great work. This will serve as a great guideline to assist with the completion of our project."
- "Thanks for the product. It is an excellent guideline for the group. "
Purchase this Solution
Free BrainMass Quizzes
Geometry - Real Life Application Problems
Understanding of how geometry applies to in real-world contexts
Know Your Linear Equations
Each question is a choice-summary multiple choice question that will present you with a linear equation and then make 4 statements about that equation. You must determine which of the 4 statements are true (if any) in regards to the equation.
Exponential Expressions
In this quiz, you will have a chance to practice basic terminology of exponential expressions and how to evaluate them.
Graphs and Functions
This quiz helps you easily identify a function and test your understanding of ranges, domains , function inverses and transformations.
Solving quadratic inequalities
This quiz test you on how well you are familiar with solving quadratic inequalities.