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Annette
Questions (58)
The stereochemistry of the products of SN2 reactions are always the same as that of the reactants.
True or false?
1 answer
132 views
17. In bears, (F) is the dominant allele for brown fur and (f) is the recessive allele for white fur. If a heterozygous male
1 answer
170 views
How to prove the formal to find the infinite geometric series is correct using a graph or another equation?
1 answer
114 views
How to prove the formal to find the infinite geometric series is correct?
3 answers
116 views
2 to the power of what equals 0
1 answer
116 views
rainflow is a new U-shaped system of guttering. The cross-section is a semi-circle with radius x topped by an open rectangle of
2 answers
150 views
4 metre length of I beam that weighs 400 kg What is centre of gravity
1 answer
186 views
If a saturated solution of KCl containing 20g of water is cooled from 90 to 40 degrees Celsius. What mass of the solute will
1 answer
263 views
State and explain five causes of disability in children during the post natal period.
1 answer
474 views
How many moles of Cu are required to produce 16.25 g of H2O
1 answer
376 views
How many moles of Cu are required to produce 16.25 g of H2O
1 answer
397 views
I am charged 80 cents for a 15 minute phone call. How much is that call per minute?
1 answer
872 views
Suppose you throw a ball up in the air from the top of a 160 foot building. It's height h in feet after t seconds is given by
1 answer
565 views
Suppose you throw a ball up in the air from the top of a 160 foot building. It's height h in feet after t seconds is given by
5 answers
759 views
When 8 is added to 2 times a number the sum is 32.what is the number.
Is it 16 or 4
1 answer
443 views
Viktor Frankl states that it is ______ to define lifes meaning in broad and sweeping terms.
a. Necessary. b. Easy. c. Impossible.
1 answer
580 views
Descride 5 reasons for the outbreak of the Haitian revolution
1 answer
515 views
Implicit diff.
y^2 + 4xy +4y^2=40 2yy'+ _______ + 8y*y=0 I am confused with the 4xy. Would you write this out to be 4x*y'+4y OR
1 answer
610 views
How do you know 1 and 2/3 divided by 3 and 1/2 has to be less than 1/2, without calculating the quotient?
Please explain :)
1 answer
453 views
Choose two dimensions, describe them, and explain the relationship between your chosen dimensions. Provide at least two examples
2 answers
529 views
The temperature of 550. g of water is increased from 16.0 degrees Celsius to 28.2 degrees Celsius by burning fuel.
How many
1 answer
622 views
to obtain the rate of the reaction 5Br-(aq) +BrO3- (aq) + 6H+ (aq) ---3Br2(aq) + 3H2O(l) you might follow the Br concentration
1 answer
2,299 views
I need research to do a paper on POA INDICATORES. with penn foster
1 answer
525 views
During a hurricane evacuation from the east coast of Georgia, a family traveled west. For part of the trip, they averaged but as
0 answers
512 views
Which of the following best describes the columbian exchange that occurred during the age of discovery
2 answers
755 views
In a running event, a sprinter does 4.9 105 J of work and her internal energy decreases by 9.1 105 J.
(a) Determine the heat
0 answers
705 views
A nuclear power plant has an electrical power output of 1900 MW and operates with an efficiency of 32%. If excess energy is
0 answers
1,378 views
Consider the following figure.
(a) Determine the work done on a fluid that expands from i to f as indicated in the figure. J (b)
0 answers
679 views
Consider the following.
(a) Find the work done by an ideal gas as it expands from point A to point B along the path shown in the
1 answer
899 views
An ideal gas is enclosed in a cylinder with a movable piston on top of it. The piston has a mass of 8,000 g and an area of 5.00
1 answer
1,276 views
An ideal gas is enclosed in a cylinder with a movable piston on top of it. The piston has a mass of 8,000 g and an area of 5.00
0 answers
807 views
An ideal gas is enclosed in a cylinder with a movable piston on top of it. The piston has a mass of 8,000 g and an area of 5.00
0 answers
875 views
A 100 g aluminum calorimeter contains 250 g of water. The two substances are in thermal equilibrium at 10°C. Two metallic
1 answer
896 views
A 79-kg sprinter accelerates from rest to a speed of 11.0 m/s in 4.8 s.
(a) Calculate the mechanical work done by the sprinter
1 answer
1,721 views
A 79-kg sprinter accelerates from rest to a speed of 11.0 m/s in 4.8 s.
(a) Calculate the mechanical work done by the sprinter
1 answer
2,390 views
49-kg woman cheats on her diet and eats a 582-Calorie (582 kcal) jelly doughnut for breakfast.
(a) How many joules of energy are
1 answer
770 views
A 22.0-L tank of carbon dioxide gas (CO2) is at a pressure of 9.40 105 Pa and temperature of 22.0°C.
(a) Calculate the
1 answer
1,485 views
A car rounds a banked curve where the radius of curvature of the road is R=100m., the banking angle 10 degrees and the
2 answers
1,520 views
A .275 kg. object is swung in a vertical circular path on a string .850 m. long. A) What are the forces acting on the ball at
4 answers
7,728 views
Two blocks of masses m1 = 2kg. and m2 = 4kg. are each released from rest at a height of h = 5m. on a frictionless track, and
2 answers
3,099 views
a 5kg block is pushed 3m up a vertical wall with constant speed by a constant force of magnitude f applied at an angle of 30
3 answers
3,553 views
How many moles of Al(OH) are required to completely react with 2.75mol of H2SO4?
1 answer
544 views
If the recipe for 4 pancakes is 6tbsp flour and 1/4 pint milk how much milk and flour would you use for 1/4, 1/2, 2, 5, and 3
2 answers
599 views
If the recipe for 4 pancakes is 6tbsp flour and 1/4 pint milk how much milk and flour would you use for 1/4, 1/2, 2, 5, and 3
1 answer
426 views
A sample of 352 subscribers to Wired magazine shows the mean time spent using the Internet is 13.4 hours per week, with a sample
2 answers
1,388 views
Calculate the volume of concentrated reagent required to prepare the diluted solutions indicated: (a) 18 M H2SO4 to prepare 225
4 answers
3,221 views
do the objectives of a criminal investigation change with the type of investigation
3 answers
570 views
Josephine is a 20 year old female who is present for an eating disorder not otherwise specified. She currently teaches salsa
2 answers
1,096 views
A moving truck fills up a shipment at an old address, at (-2,1). It travels 7 blocks south and 6 blocks east to the new address.
2 answers
963 views
Scientists performed an experiment to determine whether there is a connection between learning ability and food. They took two
1 answer
540 views
Solve
k^2 + km = 8 m = k- 6 Can you show me step-by step please?
1 answer
463 views
Solve
k^2 + km = 8 m = k- 6 Can you show me step-by step please?
1 answer
667 views
Can someone please walk me through the steps for the following Partial derivatives problems:
f(x,y) = x^7 - 8y - 3, find x and y
0 answers
542 views
Can someone walk me through the following questions: Partial Derivatives
f(x,y) = x^7 -8y -3 find x and y f(x,y) = 7 / 5x + 4y,
0 answers
483 views
I am really having trouble with the convention in literature could I have some examples?
3 answers
451 views
create an englis representing an algebraic relationship
An English what? Sentence?
0 answers
514 views
If you are writing a formal paper, how do you write 1600s (as in the century)? Is there an apostrophe: 1600's?
Thank you for
0 answers
3,191 views
Will someone help me with this problem, please?
Calculate the mass in grams of 1.20*10^24 molecules of CO2. Well, convert it to
1 answer
880 views