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Emma

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A solution is prepared by dissolving 0.12 mol of acetic acid and 0.12 mol of ammonium chloride in enough water to make 1.0 L of
1. 1 answer
2. 938 views
If a zipline ends at 8ft above the ground and goes upward at a 6 degree angle, how high will it begin?
1. 1 answer
2. 376 views
What volume of a 15.0% by mass NaOH solution, which has a density of 1.116 g/mL, should be used to make 4.40 L of an NaOH
1. 3 answers
2. 4,558 views
In English, we're learning about the Holocaust and we are answering to "related-to-your-life" questions and below are some
1. 1 answer
2. 1,116 views
I'm taking the ACT explore tomorrow and I was wondering if there is a writing portion
1. 1 answer
2. 431 views
Tell whether the graph opens up or down. Find the coordinates of the vertex. Write an equation of the axis of symmetry.Y=3x^2
1. 0 answers
2. 640 views
What is a good topic sentence for an essay about eating insects?*The article (source where I got the info from) was about insect
1. 1 answer
2. 918 views
A 4kg mass is pushed with a constant force for 1m then off the edge of the table and lands 7m from the edge of the table.a) What
1. 1 answer
2. 482 views
Adam uses 1/6,1/3and 2/5 to make a circle graph an colored each a different color. What fraction of the graph is not colored?
1. 1 answer
2. 477 views
When an application asks for a writing sample, is it a good idea to give them a reflection on a poem?
1. 1 answer
2. 577 views
Wirte an exponential growth model.22. A business had a $20,000 profit in 1990. Then the profit increased by 20% per year for the
1. 0 answers
2. 433 views
Use a calculator to evaluate the expression. Write the result in scientific notation and in decimal form.Did I do think
1. 1 answer
2. 671 views
At the temperature of 30degree C and pressure of 1*10^5 pa, 30dm3 of H2 gas is burned with 30dm3 of O2 gas in a container of
1. 1 answer
2. 445 views
Use logarithmic differentiation:F(x)= (3x+6)^4 (x^3 -2)^5
1. 1 answer
2. 412 views
NH4NO3 is frequently used as a fertilizer and in explosive compounds dlta Hf values of this compound nd H20 are -365kJmol-1 and
1. 1 answer
2. 586 views
20cm3 of 0.500moldm-3 H2SO4 was consumed to neutralize 50cm3 of 0.400moldm-3 NaOH. The temperature of the system is increased by
1. 0 answers
2. 419 views
20cm3 of 0.500moldm-3 H2SO4 was consumed to neutralize 50cm3 of 0.400moldm-3 NaOH. The temperature of the system is increased by
1. 0 answers
2. 415 views
20cm3 of 0.500moldm-3 H2SO4 was consumed to neutralize 50cm3 of 0.400moldm-3 NaOH. The temperature of the system is increased by
1. 0 answers
2. 499 views
OMG please help me .-. (Advanced) Give the domain and range of the relation.x y 2 5 8 17 0 0 –3 –5 Answer a. D: {2, 8, –3,
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2. 344 views
I need help please >(Advanced) Give the domain and range of the relation.x y 2 5 8 17 0 0 –3 –5 Answer a. D: {2, 8, –3, 5,
1. 0 answers
2. 959 views
A solution contains a mixture of pentane and hexane at room temperature. The solution has a vapor pressure of 235 torr. Pure
1. 1 answer
2. 813 views
Is this grammatically correct?"I can't believe that I'm growing up so fast."
1. 2 answers
2. 422 views
Simplify :((-5xy)^2)^5 I got 9765625x^10y^10 I don't that is correct..
1. 0 answers
2. 385 views
Small spheres of diameter 1.00mm fall through 20 degree Celsius water at a terminal speed of 1.10 cm/s. calculate the density of
1. 1 answer
2. 716 views
"They [Jackson and his supporters] see nothing wrong in the rule that to the victor belong the spoils of the enemy."-William
1. 1 answer
2. 750 views
Fill in the blank.By the 1850s, railroads were beginning to ___________ canals for transporting goods.
1. 1 answer
2. 499 views
Fill in the blanks.Under the Mississippi compromise, any new states formed west of the Mississippi river and north of the
1. 1 answer
2. 499 views
What cause did Webster support throughout his political career?
1. 0 answers
2. 405 views
Thyroxine, an important hormone that controls the rate of metabolism in the body can be isolated from the thyroid gland. If
1. 1 answer
2. 2,124 views
A large factory knows that if it sells it's new gadgets for $10 each, it can sell 350 per month and if it sells the same gadgets
1. 1 answer
2. 1,092 views
Use a calculator to simplify the expression.8/2^3-2+4.1*2 When I used the calculator, I got 22.2 So then I used "PEMDAS" but got
1. 1 answer
2. 506 views
1. What are one internal and one external source of energy in the Earth system?2. Earth scientists assume that the causes of
1. 0 answers
2. 561 views
This sentence has an error but I'm not sure if this is correct.His father and uncle were theirselves great travelers. Is it
1. 1 answer
2. 419 views
1. What are one internal and one external source of energy in the Earth system?2. Earth scientists assume that the causes of
1. 0 answers
2. 639 views
Choose the pronoun that correctly completes each sentence.1. (who, whom) will the choir director choose? Is it whom?
1. 1 answer
2. 881 views
A store is selling compact discs for $10.50 and $8.50. You buy 10 discs and spend a total of $93. How many compact discs did you
1. 2 answers
2. 800 views
The girl's basketball team scored 57 points and made 25 shots. Each shot was worth 2 or 3 points each.Write a linear system.
1. 1 answer
2. 471 views
A farmer is tracking two wild honey bees in his field. He maps the first bee's path back to the hive on the line y=9/7x. the
1. 4 answers
2. 953 views
Prove thattanx+cotx=2sec(2x) Thank you! :)
1. 2 answers
2. 1,440 views
Use the substitution method to solve the linear system.1/8p+3/4q=7 3/2p-q=4 Thanks.
1. 1 answer
2. 604 views
Use substitution method to solve the linear system.Can someone please check if I did this problem right? Thanks X+y=12
1. 1 answer
2. 615 views
Use the substitution method to solve the linear system. Thanks!s= t+4 2t+s=19
1. 4 answers
2. 1,647 views
2sinxcosx+4sin^2xcos^2x=0solve for x in radians between [0,2pi) (I mean that it is sine squared x and cosine squared x not sine
1. 1 answer
2. 513 views
When the mean is greater than the median, what does it suggests about the data set?
1. 1 answer
2. 517 views
Find the plural that has been formed incorrectly. Then write it in its correct plural form.Dad was hoping to catch several bass
1. 1 answer
2. 566 views
I don't get how you would know which way to shade the inequality when it's true or false.For example the inequality 2x+3y> 12
1. 1 answer
2. 984 views
Hi! So I am having a hard time in Chinese class. Paying Attention that is. My teacher lets all the students goof off, and it's
1. 1 answer
2. 758 views
I solved the inequality and now I have to graph and shade it in.Y<-5x-6 0<-5x-6 I used the test point 0,0 and substituted in y
1. 1 answer
2. 570 views
Solve the inequality and graph.7<1-x<13 I got -6 >x >-12 Is that correct?
1. 1 answer
2. 470 views
Identify the nouns and verb/verb phrases in the sentence.Employers value honesty and hard work. Nouns: Employers, honesty, and
1. 2 answers
2. 468 views
The titration of 25.0 mL of an unknown concentration H2SO4 solution requires 83.6 mL of 0.12 M LiOH solution. What is the
1. 1 answer
2. 1,160 views
The temperature rises from 25.00 °C to 29.00 °C in a bomb calorimeter when 3.50 g of sucrose undergoes combustion in a bomb
1. 4 answers
2. 5,195 views
How many atoms of carbon are contained in 47.6 g of Al2(CO3)3? The molar mass of Al2(CO3)3 is 233.99 g/mol.
1. 5 answers
2. 5,097 views
Choose the bidentate ligand from the substances below.A) cyanide ion B) ammonia C) EDTA D) carbon monoxide E) ethylenediamine
1. 1 answer
2. 2,909 views
The complex ion, [Ni(NH3)6]2+, has a maximum absorption near 580 nm. Calculate the crystal field splittingenergy (in kJ/mol) for
1. 3 answers
2. 4,432 views
Which of the following compounds can exhibit cis-trans isomerism?A) [Fe(CO)5ONO]2+ B) [Fe(CO)3(NH3)3]3+ C) [Cu(CO)5Br]+ D)
1. 1 answer
2. 1,688 views
Determine the volume of H2S (at 375 K and 1.20 atm) needed to produce 55.0 g of S. Assume that there isexcess SO2 present. 2
1. 1 answer
2. 2,226 views
What element is undergoing oxidation (if any) in the following reaction?CH4(g) + 2 O2(g) �¨ CO2(g) + 2 H2O(g)
1. 2 answers
2. 9,224 views
combustion analysis of 63.8 mg of C,H, and O containing compound produced 145.0 mg of CO2 and 59.38 mg of H2O. What is the
1. 3 answers
2. 5,687 views
Here is my meaning of Hellen Keller's quote:It means that by using my voice I can do something. I may not be THE one but AT
1. 3 answers
2. 644 views
“I am only one, but still I am one. I cannot do everything, but still I can do something; and because I cannot do everything,
1. 1 answer
2. 844 views
"It is better to lead from behind and to put others in front, especially when you celebrate victory when nice things occur. You
1. 1 answer
2. 1,042 views
I am workng on my introduction part of my speech and here is my transition sentence:With my voice, I can make a difference in 5
1. 1 answer
2. 1,051 views
What does the quote, ""The world is not interested in what we do for a living. What they are interested in is what we have to
1. 1 answer
2. 475 views
I want to put these words in a sentence that makes sense.Many will think that my voice doesn't matter for people my age. It
1. 1 answer
2. 795 views
What would be a good quote to describe me encouraging someone to become a better singer? How about giving advice and preventing
1. 1 answer
2. 986 views
This year, all the students in the same grade has to give a speech and the topic is "My voice is important because..." instead
1. 3 answers
2. 501 views
The small mass m sliding without friction along a looped track is to remain on the track at all times, even at the very top of
1. 0 answers
2. 732 views
Aspirin tablet, mass of tablet= 0.4149 g concentration of iron III salicylate complex = 3.997E-4, What is the concentration of
1. 0 answers
2. 663 views
Aspirin tablet, mass of tablet= 0.4149 g concentration of iron III salicylate complex = 3.997E-4, What is the concentration of
1. 0 answers
2. 917 views
Aspirin tablet, mass of tablet= 0.4149 g concentration of iron III salicylate complex = 3.997E-4, What is the concentration of
1. 0 answers
2. 665 views
1 ml of 8.675x10^-3 M sodium salicylate was dispensed in a 100 ml volumetric flask, It was diluted to 100ml mark with acidified
1. 6 answers
2. 837 views
What are five kinds of cases heard by the Federal Courts?
1. 1 answer
2. 496 views
What are the four powers denied to congress?
1. 3 answers
2. 954 views
Spectrophotometric analysis of commercial aspririn. If the number of moles of sodium salicylate are 8.675x10^-6 what would be
1. 0 answers
2. 466 views
A 50.0-g sample of a conducting material is all that is available. Theresistivity of the material is measured to be 11 x 10-8
1. 1 answer
2. 2,425 views
14.8cos(27.8)(29cos(x))+14.8sin(27.8)(29sin(x))=22How do you solve for x?
1. 1 answer
2. 520 views
Vectors A and B are in the xy plane and their scalar product is 20.6 units.?If A makes a 27.8 angle with the x axis and has
1. 1 answer
2. 1,010 views
Did I do this problem right?Rewrite the equation in slope-intercept form. y+4=5(x+2) y=5x+6
1. 1 answer
2. 401 views
The maximum possible efficiency of a heat engine which exhaust its heat at a temperature of 46.0o is 39.0 percent. What is the
1. 1 answer
2. 1,334 views
15.0 moles of an ideal gas, at an initial pressure of 3.50 x105 N/m2 and an initial volume of 1.200 m3, undergo a small
1. 0 answers
2. 540 views
Are there any words that end with "ale" or "ail" that is a place?
1. 1 answer
2. 482 views
A 5ml, 10ml, 15 ml, and 20ml Aliquot of 0.010 M sodium salicylate solution was diluted to 100 ml in four different 100ml
1. 2 answers
2. 662 views
Calculate the molar enthalpy for the following reaction.HCl(aq) + NH3 (aq) --> NH4Cl (aq). HCl = 50 ml (2.00M) NH3 = 50 ml (2.05
1. 6 answers
2. 3,183 views
Please help me understand this question, thanks!10. Write the slope-intercept form of an equation of the line perpendicular to
1. 1 answer
2. 498 views
If a water heater has a capacity of 54.4 gallons and a 4910 W heating element, how much time is required to raise the
1. 0 answers
2. 538 views
An air bubble has a volume of 1.51 cm3 when it is released by a submarine 102 m below the surface of a lake. What is the volume
1. 1 answer
2. 865 views
0.115 kg of water at 81.0o C is poured into an insulated cup containing 0.220 kg of ice initally at 0o. Calculate the mass of
1. 1 answer
2. 1,081 views
If a sonar echo takes 2.20 seconds to return from a whale, how faw away is the whale?
1. 1 answer
2. 762 views
Please help me understand this, thanks.The way a topic is handled is called its treatment. Review the chart you completed as you
1. 1 answer
2. 582 views
I am doing vocabulary for math and one of the words are negative correction. I search all over the place and didn't find a
1. 1 answer
2. 911 views
May you please help me understand how to do this? ThanksGive the slope of a line perpendicular to the given line. 1. y=3x+5
1. 2 answers
2. 379 views
Check my answer pleaseWhich of the following would not be considered an asset? A) credit card debt B) a good credit rating C) an
1. 1 answer
2. 449 views
lim x^(3)+xx->2 Suppose x^(2)+1 is greater than equal to f(x) is greater than equal to 4x-3 for all x. Compute lim f(x) x->2
1. 1 answer
2. 388 views
Write the complete verb in each sentence. Label it active or passive.1. It was propelled by six paddles on each side. Each side
1. 6 answers
2. 608 views
I don't get how you do this please help, thanks!Write the equation in the form ax+b=0. Then write the related function y=ax+b.
1. 3 answers
2. 386 views
Write a formula for this sequence: 50, 83, 116, 149,...I just don't know how to find it..
1. 1 answer
2. 411 views
I have to come up a reason for my claim help please? Thanks!My claim: technology is harmful to children and teens.
1. 1 answer
2. 500 views
Can you please help me understand this? ThanksFind the value of y so that the passing line through the two points has the given
1. 2 answers
2. 412 views
Change the verb into the tense indicated.I am here. (past perfect)
1. 1 answer
2. 448 views

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