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jhon
Questions and answers by
jhon
Questions (52)
How much work is done by the gravitational force on an object of mass 9.40 kg that is initially at rest when it falls down for a
1 answer
402 views
Molecular shape of BrF3 by VSEPR theory
2 answers
695 views
How much acetone liquid (in mls) is required to produce a vapor concentration of
200 ppm (parts per million) by volume in a room
3 answers
1,251 views
how do you do 19= n
- 9 ??????
1 answer
267 views
Where can I find some information about native americans
1 answer
436 views
Where can I find some information about nourvis system and endocrine system?
2 answers
1,017 views
Can you give me a website about attoms
4 answers
415 views
Can you give me awebsite about phase change?
1 answer
466 views
can you tell me a website on elements
1 answer
396 views
the last question i do not get can one of y´all help me out lisa is working on a science project her task is to answer the
1 answer
409 views
A person rides up a lift to a mountaintop, but the persons ears fail to pop –that is, the pressure of the inner ear does not
4 answers
2,907 views
If a 2.6 g of weak diprotic acid were dissolved in 100 mL of water and a 10 mL aliquot of this solution required 21.6 mL of 0.1
4 answers
1,436 views
find the approximate change in z when the point (x,y) changes from (1,1)to (1.01, 0.90)
f(x,y) = xe^(-y) + ye^(-x)
3 answers
530 views
the dimensions of a closed rectangular box are measured as 30 in, 40 in.. and 60 in.. with a maximum error of 0.2 in. in each
3 answers
1,548 views
a drawing of a deck has a scale of 1 inch to 5 feet. the actual deck is 18 feet long.how long is the deck in the scale drawing?
1 answer
423 views
Water is leaking out of an inverted conical tank at a rate of 12200 cubic centimeters per minute at the same time that water is
2 answers
945 views
A motorboat travels due north at a steady speed of 3.0 m/s through calm water in which there is no current. The boat then enters
4 answers
1,359 views
a pitching machine throws a baseball at a batter with an initial velocity of 22.0 m/s at an angle of 30 degrees to the
5 answers
945 views
cotx+tan2x=cotxsec2x
prove
2 answers
1,306 views
Please show all of your work in the space below. Please present and organized and complete solution.
A garden will be made up of
1 answer
427 views
Many people are trying to reduce their
carbon footprint. Amrita’s carbon footprint this year was 85% of last year’s
11 answers
1,157 views
If you wanted to make a barometer that had a column of liquid about 6 feet tall, what would
the density of the liquid have to be?
1 answer
459 views
If you wanted to make a barometer that had a column of liquid about 6 feet tall, what would
the density of the liquid have to be?
1 answer
422 views
If a portion of your aspirin sample had broken down, how would that effect the total
amount of base used? What would the effect
1 answer
398 views
A 0.069 gram sample of a metal reacted with HCl and produced 45.31 mL of H
2 gas at 25¡ÆC and 1 atm pressure. The metal is
2 answers
1,155 views
Fe + O2--->Fe2O3
How many grams of iron are required to convert 80 mL of oxygen at STP?
3 answers
1,059 views
a 20 kg traveler's bag is being pulled along the floor with a force of 50 NF. the force is applied on the handle forming an
4 answers
3,096 views
a 20 kg traveler's bag is being pulled along the floor with a force of 50 NF. the force is applied on the handle forming an
3 answers
608 views
The following experimental data were obtained for the reaction;
2 NO + 2 H2 ¡æ N2+ 2 H2O Rate/10-5M/s [NO]/10-2M [H2]/10-2M
2 answers
616 views
Hess¡¯ law says that when we add reactions together we can also add the enthalpies. Given the following set of reactions, use
3 answers
668 views
find the radius of a circle in which a 59 foot chord subtends an angle of 12 degree at the center
1 answer
443 views
Taylor made a scale drawing of his room using a scale of 0.25 inch = 1 foot. On the drawing, the length of his room is 3.25
7 answers
1,705 views
Jill’s room is 12.5 feet long and 11.5 feet wide. She made a scale drawing of the room with a scale of 0.5 inch = 2 feet. What
5 answers
2,863 views
Julie deposited $300 into a simple interest savings account that earns
1.34%. If no money is added or withdrawn from
2 answers
1,151 views
A new automobile costs $23,782, but after one year it is worth $17,668. What is the approximate percent of decrease in the value
1 answer
451 views
Hayley wants to purchase tile for the floor in a rectangular room that measures 15 feet by 14 feet. The tile costs $4.25 per
3 answers
1,131 views
Mrs. Williams is going to purchase a plastic cover for her outdoor fish pond. The area of the fish pond is 25 m2. However, she
3 answers
575 views
Mr. Donahue needs eq177745_s1 pounds of flour to make 5 loaves of bread. He bought a 50-pound bag of flour that costs $64.99.
4 answers
698 views
Mr. Donahue needs 4 1/2 pounds of flour to make 5 loaves of bread. He bought a 50-pound bag of flour that costs $64.99. About
3 answers
1,234 views
Mr. Richards has two cars that he changes the oil in every four months.
During an oil change, each car needs 4 1/2 quarts of oil.
3 answers
1,121 views
During an oil change, each car needs 4 1/2 quarts of oil.
Each 5-quart container of oil costs $14.99. Before tax, how much will
2 answers
767 views
Jordan earns $11.35 per hour and works 40 hours per week. He then earns a 20% pay raise. How much money will Jordan now make
4 answers
1,123 views
what about Mohawk interactions with the europeans
3 answers
418 views
a 5kg bomb exploded into two fragments .If one fragment with 3 kg moves in a direction with 5m/s then what is the velocity of
2 answers
763 views
In five games, you score 16, 12, 15, 13, and 17 points. How many points must you score in the sixth game to have an average of
2 answers
631 views
Which best describes interest?
2 answers
609 views
A sample of tin (Cp = 0.227 J/g•°C) is placed in a freezer. Its temperature decreases from 15.0°C to −10.0°C as it
3 answers
851 views
A cashier has only one dollar bills, quarters,and dimes. List all the ways you could receive $2.50 in change
$1 Bills Quarters
3 answers
563 views
Compare each pair of numbers. Use <, =,<, =, less than comma equals comma or >.>. greater than
3/5 and 5/8
3 answers
503 views
The NBA regulations require the basketball court to be 132 feet long. How many meters is the length of the court?
1 answer
207 views
ANGLE PAIR: h ttps://drive.google.com/file/d/1yqBraY-e0EiEWFV5JcW7eJ7nFhEz9SVq/view?usp=sharing
Name two pairs of: 1.
1 answer
532 views
Read each item carefully, decide whether the statement is TRUE or FALSE. Write your answer on
the space before each number.
1 answer
353 views
