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Amanda

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Calculate the net charge on a substance con-sisting of a combination of 7.2 × 1013 protons and 4.8 × 1013 electrons. Answer in
1. 1 answer
2. 554 views
k/5+3/20<3/10Please help me solve this and show your work please and thank you
1. 0 answers
2. 333 views
Simplify each expression. Write answers using positive exponents.a. (7x^2y^3)(-2xy) b. (a^2b^3)^-1(a^2b^3) c.(-4m^3)^2
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2. 510 views
Simplify each expression. Write answers using positive exponents.a. (7x^2y^3)(-2xy) b. (a^2b^3)^-1(a^2b^3) c.(-4m^3)^2
1. 4 answers
2. 592 views
Simplify each expression. Write answers in standard form.a. (4d-6)(-3d) b. 5g(g^2-2g+1) c. (-2q^2+q+3)-5(q^2+2q-1)
1. 2 answers
2. 878 views
A bottle contains at least 4 times as much juice as a glass contains. The bottle contains 32 fluid ounces. Write an inequality
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2. 536 views
How much 12 M HCl do you add to 1 L of water to obtain 0.2 HCl? Use this same approach to do the math for the dilution of 5.5 M
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2. 846 views
How much 12 M HCl do you add to 1 L of water to obtain 0.2 HCl? Use this same approach to do the math for the dilution of 5.5 M
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2. 856 views
How much carbon dioxide has to be bubbled into aqueous sodium hydroxide to obtain a solution containing 3.5 mol of sodium
1. 1 answer
2. 572 views
You dissolve 5 g of calcium hydroxide in 2 liters of water. What is the molarity of the hydroxide ions in this solution? What is
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2. 475 views
How much 0.5 M HCl is needed to neutralize 5.5 kg of ammonia dissolved in 6 gal of water?
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2. 495 views
An airplane takes off from an airport at 7:00 a.m. traveling at a rate of 350 mi/h. Two hours later, a jet takes off from the
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2. 613 views
A nurse counts 76 heartbeats in one minute. What are the period and frequency of the heart's oscillations?
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2. 1,314 views
what is the mass in grams of 0.0850 mol of hydrogen atoms?
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2. 358 views
a speaker at a concert generates 1 x 10^-2 w/m^2 at a distance of 20m form the speaker at a frequency of 1kHz1) calculate the
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2. 408 views
4(x-6)+6=6(x+2)-10
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2. 275 views
A plane flies at 800km/h in stationary air. The distance to be traveled is 3000km. What was the wind speed if the journey
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2. 545 views
What statements is true concnerning cultural context/It involes verbal clues only It is about globalizaiton It is communicated
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2. 609 views
A skier is pulled up a slope at a constant velocity by a tow bar. The slope is inclined at 25.9° with respect to the
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2. 605 views
I am trying to study for my exam i have tomorrow and this type of problem keeps giving me trouble can someone please help me::A
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2. 629 views
Amanda sits in the seat right next to another person in a movie theater full of empty seats. The other person gets up and moves
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2. 658 views
Calculate the force of gravity on a 2 kg mass at Earth’s surface. The mass of Earth is 6 * 10 ^24 kg, and its raidus is 6.4 *
1. 1 answer
2. 461 views
How does the SAT motivate students?
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2. 316 views
What are some reasons to why the SAT is fair?
1. 1 answer
2. 387 views
Political instability between competing states during the period from 1000 to 500 B.C.E. led toA. advances in technology. B. a
1. 3 answers
2. 540 views
10 words of merry things3 words of frosty things 10 words of musical gifts 9 words of things with bells
1. 3 answers
2. 531 views
How do I determine if a quadrilateral is a parallelogram? Does anyone know the formula to determine this because I have to
1. 1 answer
2. 396 views
The task is to redesign Milgram's experiment so no one is hurt, physically or emotionally. However, from my understanding, the
1. 0 answers
2. 593 views
Determine the [H3O+]. Are these solutions acidic or basic?a. [OH-]=7.0x10^-8 a. [H3O+]= acidic or basic? b. 0.00030 M Mg[OH]2 b.
1. 2 answers
2. 1,247 views
Determine the pH. Are these solutions acidic or basic?a. [H3O+]=1.0*10^-8 a. pH=acidic or basic? b.[OH-]=1.0*10^-9 b. pH=acidic
1. 1 answer
2. 541 views
Identify the conjugate acid of the following bases? what acid is it?A) F^- B) HSO4^- C) CH3COO^- D) CO3^2-
1. 1 answer
2. 605 views
Identify the conjugate base of the following acids? The names. For example HCl is hydrochloric acid.A) HSO4^- B)H3O^+
1. 1 answer
2. 546 views
78.7 mL sample of a 4.81 M sucrose solution is diluted to 120.0 mL. What is the molarity of the diluted soluti?
1. 1 answer
2. 610 views
78.7 mL sample of a 4.81 M sucrose solution is diluted to 120.0 mL. What is the molarity of the diluted soluti?
1. 0 answers
2. 368 views
a solution is made by combining 10.0 ml of 17.5 M acetic acid with 5.54 g of sodium acetate and diluting to a total volume of
1. 1 answer
2. 1,189 views
A 140 kg sleigh is pulled by one horse at a constant velocity for a distance of 0.90 km on a level snowy surface. The
1. 1 answer
2. 567 views
why do plants already have ATP and NADPH for chemical energy from lights reactions of photosynthesis but they still go on to
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2. 739 views
A 0.060-kg handball is thrown straight toward a wall with a speed of 9 m/s. It rebounds straight backward at a speed of 6.7 m/s(
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2. 3,277 views
Write a paragraph explaining the social and economic effects of an industrial revolution.
1. 3 answers
2. 678 views
Dissolving one mole of salt in water yields two moles of ions.A:NH4[Pt(NH3)Cl3] B: tris(ethylenediamine)cobalt(III) sulfate C:
1. 1 answer
2. 530 views
Okay so I kinda understand where to put the numbers into the formula but i'm not sure how to calculate the distance so could
1. 5 answers
2. 3,319 views
write a pseudocode for a program that asks for the Employee ID, the hours worked and the pay rate, then returns the employee's
1. 4 answers
2. 2,677 views
What is the maximum amount of ethanol (in grams) that can be produced when 1.0 kg of ethylene (C2H4) and 0.014 kg of steam are
1. 2 answers
2. 782 views
Use Equation 7.1 and assuming that core electrons contribute 1.00 and valence electrons contribute nothing to the screening
1. 1 answer
2. 2,294 views
One mole of H2O(g) at 1.00 atm and 100.°C occupies a volume of 30.6 L. When one mole of H2O(g) is condensed to one mole of
1. 0 answers
2. 692 views
As a system increases in volume, it absorbs 52.5 J of energy in the form of heat from the surroundings. The piston is working
1. 0 answers
2. 1,071 views
Consider a mixture of air and gasoline vapor in a cylinder with a piston. The original volume is 50. cm3. If the combustion of
1. 0 answers
2. 616 views
At the beginning of a new school term, a student moves a box of books by attaching a rope to the box and pulling with a force of
1. 2 answers
2. 3,296 views
I need to complete an assignment for edu 301 and I am completely lost. Can anyone help me get started?Create a flowchart, in
1. 1 answer
2. 963 views
A roller coaster cart with a mass of 13 kg travels around two frictionless, circular loops. It just barely makes it around the
1. 0 answers
2. 482 views
A mass of 6 kg is tied to a 2 meter long rope and is swung in a vertical circle. At the bottom of the circle, the mass is moving
1. 0 answers
2. 520 views
An object with a mass of 13 kg slides 5 meters across a horizontal surface with a coefficient of kinetic friction of 0.38. For
1. 1 answer
2. 543 views
An object with a mass of 3.7 kg slides in the positive x direction across a horizontal surface with a coefficient of kinetic
1. 1 answer
2. 516 views
On some planet with a radius of 8,553 km and a mass of 5.55 x 1024 kg the planet is spinning so fast such that anything at the
1. 0 answers
2. 613 views
What might happen to earth if the temperature in the atmosphere rises by 5degrees and if the water in the ocean gets colder?
1. 0 answers
2. 413 views
A mass of 30 kg lies on a horizontal surface with a coefficient of static friction of 0.72 and a coefficient of kinetic friction
1. 0 answers
2. 1,073 views
A mass of 17 kg lies on a horizontal surface with a coefficient of static friction of 0.54 and a coefficient of kinetic friction
1. 0 answers
2. 522 views
A 21 kg object is placed on an incline with friction. The incline is raised slowly from zero degrees and at 60.71 degrees, the
1. 0 answers
2. 525 views
A 21 kg object is placed on an incline with friction. The incline is raised slowly from zero degrees and at 60.71 degrees, the
1. 0 answers
2. 533 views
A mass of m1 = 12 kg is placed on an incline with an inclination angle of 50 degrees, a coefficient of kinetic friction of 0.16,
1. 1 answer
2. 425 views
A mass of m1 = 12 kg is placed on an incline with an inclination angle of 50 degrees, a coefficient of kinetic friction of 0.16,
1. 1 answer
2. 458 views
Acetylene gas, c2h2, burns in oxygen to produce carbon dioxide and water. If 61.4 g of co2 are produced when 22.7g c2h2 react
1. 1 answer
2. 2,122 views
The balanced reaction equation for combustion of Mg is: 2 Mg + O2 --> 2 MgO.In the reaction vessel you have 1.0 moles of Mg and
1. 1 answer
2. 629 views
Bethany has 40 apples. Write a subtraction story about the apples that would require regrouping. Then write the answer in a
1. 1 answer
2. 468 views
A stone falls from a cliff. It lands on the ground below the cliff after 4.2 seconds. The height of the cliff can be calculated
1. 1 answer
2. 759 views
In the equation y squaared minus 1/4 g squared t cubed, y is the displacement, t is the time, and g is the gravitational
1. 1 answer
2. 468 views
A rectangle is bounded by the x-axis and the semicircle y = √36 – x2, as shown in the figure below. Write the area A of the
1. 1 answer
2. 8,332 views
in a recent year, 281 of the 290,789,000 people in the U.S. were struck by lightning. estimate the probability that a randomly
1. 1 answer
2. 543 views
Calculate G° for each reaction using G°f values.MnO2(s) + 2 CO(g) Mn(s) + 2 CO2(g)
1. 1 answer
2. 906 views
Calculate G° for each reaction using G°f values.MnO2(s) + 2 CO(g) Mn(s) + 2 CO2(g)
1. 1 answer
2. 850 views
A plane flying horizontally at a constant velocity drops a bomb on a cave from a height of 500 m. At the moment the bomb hits
1. 0 answers
2. 703 views
determine whether the ordered pair (1,10) is on the graph of the following equationY=√x + 9
1. 2 answers
2. 810 views
find the intercepts and graph the equation by plotting points.Y=2-2x^2
1. 1 answer
2. 548 views
Suppose that a String variable str has already been defined and holds some String.In the box provided below, write a statement
1. 2 answers
2. 668 views
Can you proofread? I need some figurative language. The word limit is 750-1500 words.“Don’t go in that room,” screamed
1. 3 answers
2. 607 views
Let A(4,3) B(5,8) and C(3,10) be three points in a coordinate plane. Find the coordinates of a point D such that the points ABC
1. 1 answer
2. 1,018 views
Find X such that the point (X, 8) is 13 units from (7, -4)
1. 1 answer
2. 569 views
Identify the triangle PQR as isosceles ( two sides equal length) equilateral (three sides of equal length) a right triangle, or
1. 1 answer
2. 829 views
Find distance between the two points and the midpoint of the line segment joining them (-1,1)and (-3,-2)
1. 1 answer
2. 1,142 views
balance equation for lead(II) nitrate and sulfuric acida) coefficients should be in terms of lowest whole numbers. represent
1. 0 answers
2. 670 views
Take away 1 toothpick, move some others, and leave 1. I don't get it.
1. 1 answer
2. 599 views
The markup over dealer's cost of a new car ranges from 18% to 24%. If the sticker price is $14000 over what range will the
1. 1 answer
2. 2,534 views
How do I come up with a good topic sentence to explain how the purpose, audience,tone, and content impact academic writing?
1. 2 answers
2. 485 views
Simplify the following expressions.15. 5 (5w-4w)/10 17. 6a X 5b^2/3a^3 20. (4f + 13g) (2w)
1. 1 answer
2. 645 views
You are standing at a latitude of 35 degrees South. Star x is currently at an azimuth of 45 degrees and an altitude of 50
1. 1 answer
2. 518 views
a novice pilot sets a plane's controls, thinking the plane will fly at 2.5X10^2 km/h to the north. if the wind blows at 75 km/h
1. 3 answers
2. 2,927 views
Peggy drives from Cornwall to Atkins Glen in 35 min. Cornwall is 73.4 km from Illium in a direction 24° west of south. Atkins
1. 2 answers
2. 504 views
A parcel delivery service will deliver a package only if the length plus girth (distance around) does not exceed 84 in. What are
1. 2 answers
2. 987 views
A man 5.50 ft tall approaches a street light 18.0 ft above the ground at a rate of 4.0 ft/s. at what rate is the end of the
1. 2 answers
2. 4,374 views
Can somebody check my answers1. If a small piece of sodium is dropped into water, it begins to react, forming hydrogen gas and
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2. 1,146 views
Can somebody check my answers? I Failed this test one time already. I do not want to fail it again.1. When a pair of electrons
1. 2 answers
2. 580 views
Input:1,2,3,4,5 output:3,5,9,17,33 what is the rule?
1. 1 answer
2. 310 views
A 20 gram piece of metal is added to a sample of 100 grams of water inside a calorimeter. If the metal is at a temperature of
1. 1 answer
2. 1,653 views
Assume that 90% of the general population is right-handed. Suppose that 100 students are randomly selected. what is the
1. 0 answers
2. 468 views
The highest priority for most members of congress:A)ensuring that the constitutional system of checks and balances works
1. 4 answers
2. 538 views
The major function of Congress:A)is to check the president B)is to inform the people C)is to enact legislation D)is to check the
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2. 1,104 views
Question about American party organizations:A. are about to die out B. Are more powerful today than any time in history C. are
1. 3 answers
2. 839 views
1. Among early hunting and gathering peoples, the commonly occurring mark that looks like a "P" is thought to stand for aA.
1. 7 answers
2. 634 views
Factor x^3-5x^2-50x/x^4+10x^3
1. 1 answer
2. 511 views
Simplify: 1/xy + 1/yz + 1/xz
1. 1 answer
2. 419 views

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