Login or Sign Up

Ask a New Question

please help

Questions and answers by please help

Questions (194)

For the systemH2(g) + CO2(g) <---> H2O(g) + CO(g) at equilibrium, the addition of H2(g) would cause (according to
1. 4 answers
2. 6,311 views
how did congress change the batteries of Washington territory in 1863?1) Congress expanded the territory to include more land to
1. 27 answers
2. 2,777 views
The following chemical equation represents the reaction that occurs when methylamine dissolves in water to form a basic
1. 5 answers
2. asked by please help
3. 4,746 views
Which of the following is an example of kinetic energy transfer?
1. 18 answers
2. asked by please help
3. 8,478 views
1. what impact did the education improvement act of 1984 have on south carolinaa. South carolina teachers were paid the most in
1. 20 answers
2. asked by please help
3. 6,946 views
1. It is responsibility of all citizens too.a. run of political office b. attend naturalization cermonies c. pay taxes and serve
1. 12 answers
2. asked by please help
3. 3,224 views
1. why was the Cuban missile crisis significant?a.) Cuba threaten to invade the United States. b.) it came close to starting a
1. 7 answers
2. 2,168 views
in Act I, Scene iii, line 19 the witches say "I'll drain him dry as hay" I have to explaion this quotation but i don't quite
1. 3 answers
2. 3,914 views
if i were writing a newspaper article and the title was "a civil family affair" and the article was about the irish war in which
1. 1 answer
2. 1,044 views
What is a t1 internet connection and fast is it?
1. 2 answers
2. 933 views
(-2)/(x-1)=(x-8)/(x+6)please help me with this
1. 4 answers
2. 243 views
(-2)/(x-1)=(x-8)/(x+6)is 7/8 the answer for this question
1. 1 answer
2. 228 views
what did Descartes mean when he said, "I think,therefore I am"
1. 4 answers
2. 289 views
Doug had scores of 80, 85, 75, and 80 on his first fourexams in a course. a. Find the mean, median, and mode for these exam
1. 3 answers
2. 575 views
calculate the range, variance, standard deviation,and interquartile range for the data set given {72, 80, 80, 82, 88, 90, 96}
1. 2 answers
2. 992 views
I have a algebra question not to good at this? here goes..the fuction w (d)=0.112d approximates the amount in centimetres of
1. 5 answers
2. 421 views
A rifle with a mass of 2.0kg is used to fire a bullet with a mass of 50.g. The bullet leaves the gun with a speed of 200. m/s.
1. 4 answers
2. 1,849 views
A 11.0 g bullet is fired horizontally into a 108 g wooden block that is initially at rest on a frictionless horizontal surface
1. 1 answer
2. 681 views
3/8+y=-3/16
1. 3 answers
2. 352 views
9z=8
1. 1 answer
2. 229 views
Write a mulplication problem.It's a square where 50 little squares are shaded, 20 are not shaded and 30 are double shaded
1. 1 answer
2. 461 views
What is the molar concentration of calcium hydroxide that has 0.185g solute in 100ml solution?
1. 2 answers
2. 496 views
Concentrated nitric acid is 16M. What volume of nitric acid must be diluted must with distilled water to prepare 5L of 0.1M
1. 2 answers
2. 702 views
Concentrated HCI is 12M. What is the moloarity of an HCI solution prepared by diluting 10ml concentrated HCI
1. 1 answer
2. 467 views
Concentrated HCI is 12M. What is the molarity of an HCI solution prepared by diluting 10ml concentrated HCI to a total volume of
1. 2 answers
2. 537 views
Create a quadratic equation with the solutions x=-2 and x=6would x=-2 = x=0 would x=6 = x = 0?
1. 3 answers
2. 481 views
five resistors of 30 ohms each are connected in parallel across a 120 volt line. the combined resistance of the five resistors
1. 3 answers
2. 1,619 views
Ethyl alcohol has been added to 190 {\rm mL} of water in a container that has a mass of 140 {\rm g} when empty. The resulting
1. 2 answers
2. 566 views
a. How much power is generated by a motor that lifts a 300.0 kg crate vertically 8.0 meters in 6.0 seconds?b. If the crate is
1. 1 answer
2. 447 views
a. How much power is generated by a motor that lifts a 300.0 kg crate vertically 8.0 meters in 6.0 seconds?b. If the crate is
1. 1 answer
2. 453 views
A typical photovoltaic cell delivers 3.8×10−3 {\rm W} of electric energy when illuminated with 0.14 {\rm W} of light energy.w
1. 3 answers
2. 725 views
1.4 mol of gas at a temperature of -170 degreed celcius fills a 2.9 L container.what is the gas pressure?
1. 3 answers
2. 780 views
If a container holds 0.865 L of ethyl alcohol at 12.0 degree{C}}, what is the volume of the alcohol when its temperature is
1. 2 answers
2. 484 views
Before a trip from New York to Boston, the pressure in an automobile tire is 2.5 atm at 272 K. At the end of the trip, the
1. 6 answers
2. 1,380 views
Consider the reaction at equilibrium:CaO(s) + CO2(g) ! CaCO3(s) If you add more CaO to the system, how will the system respond?
1. 4 answers
2. 557 views
An 73-kg bungee jumper is enjoying an afternoon of jumps. The jumper's first oscillation has an amplitude of 14 m and a period
1. 7 answers
2. 619 views
The position of equilibriumZ1) is never reached in an irreversible process. Z2) is always reached in a reversible process. Z3)
1. 3 answers
2. 659 views
What happens to the concentration of NO2(g)when the total pressure on the equilibrium reaction2 Pb(NO3)2(s) <--> 2 PbO(s) +
1. 4 answers
2. 819 views
What happens to the concentration of HI(g) when the total pressure on the equilibrium reaction2HCl(g) + I2(s) <--> 2HI(g) +
1. 7 answers
2. 1,218 views
For the reactionN2O4(g) ---> 2NO2(g) ,which of the following disturbances will cause an increase in NO2(g) concentration? 1. a
1. 4 answers
2. 2,422 views
Which part(s) of the reaction2O3(g) <---> 3O2(g) will be favored by an increase in the total pressure (resulting in
1. 2 answers
2. 1,111 views
In the reversible reaction in water solutionNH3 + H2O <---> NH4+ + OH− , what acts as a Bronsted-Lowry acid and what acts as a
1. 4 answers
2. 2,605 views
What is the mass of 4.75 mol of the element iron (Fe)?Answer in units of g
1. 4 answers
2. 611 views
How many moles are in 16.48 g Mg?Answer in units of mol
1. 1 answer
2. 300 views
Find the formula mass of the compoundH2SO4. 1. 98.09 amu 2. 96.07 amu 3. 97.08 amu 4. 81.08 amu 5. 89.09 amu
1. 7 answers
2. 799 views
How many grams of NH3 can be producedfrom the reaction of 17.8 moles of H2 and a sufficient supply of N2? N2 + 3H2 ---> 2NH3
1. 4 answers
2. 1,487 views
What volume of solvent should be added to36.8 g of CH3OH to produce a 0.500 M solution of CH3OH?
1. 3 answers
2. 2,256 views
If the chemist mistakenly makes 275 mL ofsolution instead of the 200 mL, what molar concentration of sodium nitrate will the
1. 4 answers
2. 2,265 views
How many grams of NH3 can be producedfrom the reaction of 17.8 moles of H2 and a sufficient supply of N2? N2 + 3H2 ! 2NH3
1. 2 answers
2. 1,196 views
What is the volume of2.8 × 106 molecules He? Answer in units of L
1. 4 answers
2. 412 views
A sample of oxygen at 25 degrees C occupies 697 mL.If this sample later occupies 1062 mL at 55 degrees C and 1.3 atm, what was
1. 3 answers
2. 548 views
A mass of 7 kg of water is raised from 8 degrees C to the boiling point 100 degrees C.How much heat is required? The specific
1. 1 answer
2. 981 views
You have 53 g of aluminum at25 degrees C.How much heat must be added to raise its temperature to 139 degrees C? Assume the
1. 5 answers
2. 612 views
What is the volume of2.8 × 10^6 molecules He? Answer in units of L
1. 3 answers
2. 371 views
Liquid nitrogen, which has a boiling point of 77 K, is commonly used to cool substances to low temperatures.How much energy must
1. 6 answers
2. 3,068 views
A total of 16 mice are sent down a maze, one by one. From previous experience, it isbelieved that the probability a mouse turns
1. 3 answers
2. 1,589 views
I"m having a hard time setting up the problemGeorge can plant a garden in 2 hours, and it takes Joyce 3 hours. They work
1. 1 answer
2. 427 views
Transpose the prescription-0.75DS/-3.25DCx30 to the toric form with a capstan-form surface which has a +2.50D base curve
1. 3 answers
2. 411 views
Transpose the prescription-0.75DS/-3.25DCx30 to the toric form with a capstan-form surface which has a +2.50D base curve
1. 5 answers
2. 1,391 views
A 5.30-g lead bullet traveling at 390 m/s is stopped by a large tree. If half the kinetic energy of the bullet is transformed
1. 2 answers
2. 917 views
When a driver brakes an automobile, the friction between the brake drums and the brake shoes converts the car's kinetic energy
1. 4 answers
2. 4,481 views
distint points a, b, c, d, e, and f are marked on a circle. How many triangles can be formed using these points as vertices?
1. 4 answers
2. 535 views
100 raffle tickets are sold for $3 with one grand prize of $200. Julie purchased one ticket. What is her expectation?
1. 2 answers
2. 560 views
When one gallon of gasoline is burned in a car engine, 1.20 108 J of internal energy is released. Suppose that 0.99 108 J of
1. 1 answer
2. 1,014 views
In one cycle, an engine burning a mixture of air and methanol (methyl alcohol) absorbs 525 J and expels 413 J.How much work is
1. 2 answers
2. 1,154 views
Will taking antioxidants help prevent colon cancer?A medical experiment divided subjects into four gruops:daily beta-carotene,
1. 1 answer
2. 389 views
a,b and c are real numbers such that ab=44, bc=112 and a+c=13. What is the value of b?
1. 1 answer
2. 298 views
As a a test of a new measurement process, 10 measurements are made on pieces of glass known to have conductivity 1. The average
1. 3 answers
2. 563 views
A score of 243 is a "basic" reading level.Scores for a random sample of 3000 students had a xbar = 250 with a standard error 1.0
1. 2 answers
2. 1,086 views
A student is reading a lecture written on a blackboard. The lenses in her eyes have a refractive power of 59.82 diopters, and
1. 4 answers
2. 2,441 views
At the Statistics Canada Web site, you can find the percent of adults in each province or territory who have at least a
1. 2 answers
2. 559 views
At most, how many bright fringes can be formed on either side of the central bright fringe when light of wavelength 656 nm falls
1. 3 answers
2. 1,413 views
A flat screen is located 0.43 m away from a single slit. Light with a wavelength of 530 nm (in vacuum) shines through the slit
1. 1 answer
2. 749 views
A woman is 1.6 m tall and has a mass of 47 kg. She moves past an observer with the direction of the motion parallel to her
1. 2 answers
2. 576 views
A woman is 1.6 m tall and has a mass of 47 kg. She moves past an observer with the direction of the motion parallel to her
1. 2 answers
2. 535 views
Light is shining perpendicularly on the surface of the earth with an intensity of 680 W/m2. Assuming that all the photons in the
1. 1 answer
2. 960 views
A helicopter lifts a 63 kg astronaut 10 m vertically from the ocean by means of a cable. The acceleration of the astronaut is
1. 3 answers
2. 1,491 views
Stan the strongman lifts a 524 kg dumbbell from the floor to 1.69 meters above the floor at a constant velocity.How much energy
1. 1 answer
2. 444 views
*please help ily*. a fishing pole, 2m long, is pivoted at 50cm from one end. the other end has a line with a 4 kg fish on it.
1. 1 answer
2. 521 views
My answers are in the bracketsNitrogen is cycled through an ecosystem by both plants and ?(animals). Decomposers break down dead
1. 1 answer
2. 523 views
what land did the United States gain from the War of 1812?New Orleans
1. 2 answers
2. 668 views
can someone please explain this to me i am confused and don't know what to doSuppose that the function g is defined , for all
1. 1 answer
2. 396 views
Question 5 of 10 Why are partial regression coefficients necessary in multiple regression? (Points : 1)Multiple variables each
1. 2 answers
2. 1,120 views
Name a molecule that transmits energy.Answer: Energy Molecule
1. 1 answer
2. 281 views
Could someone assist me in setting up this equation? Thanks!!A block of mass 2 kg attached to a spring lies on a flat surface.
1. 1 answer
2. 501 views
How does the opposite of n differ from the absolute value n?
1. 1 answer
2. 390 views
what are the following fractions decimal equivalents?-3 3/6 -3 3/8 -3 8/9 -3 2/3
1. 1 answer
2. 437 views
What is a fraction whose decimal value is between 0.4 and 0.64? List the fractions decimal equivalent as well.
1. 2 answers
2. 605 views
i need help setting up the equation. do i break up the problem into two parts? thanks in advance.A 3 kg block travels along a
1. 1 answer
2. 471 views
In addition to the regular trade discount of 25% and a volume purchase discount of 8.33333333% from the manufacturer, Appliance
1. 1 answer
2. 784 views
Ima Chemist found the density of Freon-11 (CFCl3) to be 5.58 g/L under her experimental conditions. Her measurements showed that
1. 5 answers
2. 6,243 views
what cells can make energy from sugar molecules?-only plant and animal cells -only animal cells -plant, animal, bacteria, and
1. 3 answers
2. 694 views
which of the following types of cells need to make energy to perform basic functions like growing, moving, and reproducing?-anim
1. 2 answers
2. 859 views
-10^2 =i know the answer is -100, but can someone explain how you actually find the answer?
1. 1 answer
2. 355 views
A ball is thrown into the air with an upword velocity of 36 ft/s. Its hight H in feet after t seconds is given by the function
1. 3 answers
2. 2,194 views
two integers, x and y have a product of 20. what is the least possible sum of x and y?
1. 1 answer
2. 301 views
you have apple, mapple, oak, poplar, and spruce trees. about how many different groups can u make with three different trees?
1. 1 answer
2. 422 views
The human lungs can function satisfactorily up to a limit where the pressure difference between the outside and inside of the
1. 3 answers
2. 2,970 views
if something is 80$ but it is on sale for $68 dollars what was the discount. show work.
1. 1 answer
2. 352 views
In a jar there are 4 red marbles 5 green marbles and 7 blue marbles.1 what us the probability of selecting a red marble
1. 5 answers
2. 2,620 views

Pages

1
2

Questions LLC

Use AI to answer your questions.

Ask a New Question

Company

About Us
Careers
Contact Us
Privacy Policy
Terms of Use

Questions

Archives
Categories
Newest
Random
Search

Trending

Now
Today
Week
Month
Year

Social

Facebook
Instagram
LinkedIn
YouTube
X

© 2024 Questions LLC. All rights reserved.