Wednesday
April 16, 2014

Posts by Wesley


Total # Posts: 31

chemistry
In my organic lab, we synthesized synthetic banana oil. I'm asked what gas escaped during the sodium bicarbonate washing and to write two reactions that took place during that operation. I know carbon dioxide escaped but I don't know how to write out the formulas.

life orientation
5 ways in whuch environmental or human factors affect the environment

math
On an air track, a 403.0 glider moving to the right at 1.70 collides elastically with a 500.5 glider moving in the opposite direction at 3.00 . 1. Find the velocity of first glider after the collision. 2. Find the velocity of second glider after the collision.

Physics
On an air track, a 403.0 glider moving to the right at 1.70 collides elastically with a 500.5 glider moving in the opposite direction at 3.00 . 1. Find the velocity of first glider after the collision. 2. Find the velocity of second glider after the collision.

math
The temperature was 30 colder at midnight than it was at noon. If it was 15 C at midnight, what was the temperature at noon?

Economics
Here goes... 1. Consider a model in which an individual lives two periods: this period (time one) and next period (time two). This period his budget constraint requires that his consumption, c1; plus his saving, s; equals his income, y1: c1 + s = y1: Next period his budget con...

math
Pre Algebra Questions Sketch a model and obtain the sum. 3 + (-7)

Calculus
These are the two problems from my homework I don't get.. can you help me? A: y=2x-x^3 [0,1] use the limit process to find the area of the region between the graph of the function and the x-axis over the given interval. Sketch the region B: f(x)=4-(12/(x^2))Calculate the l...

physics 12
a 1kg satellite has an orbital period of 4 hours. what's the altitude?

physics 12
A satellite has an orbital period of 4 hours. what is the altitude? thanks.

Science
How to create an organism, using CYCLO, Ocular and PLAST

Math
During a 220 meter relay race, Jack begins at the starting line and runs for 4 minutes and then passes the baton to Jill. She runs for 3 minutes and finishes the race. If Jack can run 20 meters per minute faster than Jill, then what is Jack's rate of speed?

Grammar
My aunt works at Woods Hole as a scientist. What are the nouns in the sentence? Is is aunt, Woods hole and scientist?

grammar
What is simple predicate? Its legs make it one of the world's fastest insects. Would it be make?

grammar
Simple predicate? The history of these pests may surprise you. Would it be may?

Grammar
What is simple predicate? These insects are strange and amazing creatures. Would it be are?

grammar
What would be the simple predicate? The insects' bodies can turn wood into food. I think it would be turn.

Physical Science-Sould you please check my explana
Scientists have tried to define precisely the _____ since the metric system was introduced

physics
A ball is thrown vertically upward with a speed of 27.6 m/s. How high does it rise? Answer in units of m.

8th grade
2/5 divided by 5/6

chemistry
Rolaids consumes 47 times its weight in excess stomach acid. Can this be tested using quantitative measurements?

ap chemistry
A star is estimated to have a mass of 2 X 10^36 kg. Assuming it to be a sphere of average radius 7.o X 10^5 km. Calculate the average density of the star in units of grams per cubic centimeter

Algebra
Mack is 3 times as old as Justin. In 3 years, Mack's age will be 5 more years more than 2 times as old as Justin. How old are Mack and Justin? What is the system of equation for this? I got 3x=7 and x=5+2y. But it's wrong because, I ended up with negatives. Help! Thx.

Com 220
Hi, I am writing a sentence outline on the subject of World War II; more precisely, the events that led to the war. I am somewhat confused on how to do this on the parts that I need to state and support the argument as well as prepare against any rebuttals or objections. I do...

biology
can you explain the differences and similarities between the energy cycles of human cells, plant cells, and yeast cells?

science (plz check my answers)
Why do scientists keep revising the definition of the meter?

physical fitness
the ability of muscles to work over time is called what? the comparison of the weight of your fat to the weight of your muscles, bones, and joints is called?

algebra
without graphing classify each system as independent, dependent, or inconsistent. -2x-y=9 3x-4y=-8

math
how to add and subtract fractions

analogies
consternation;fear

analogies
skill is to prowess consternation;fear orbit;planet fire;smoke journey;destination

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