Lacey

Can you give me an example of a compound that can make Ba3(PO4)2 even more insoluble than it already is (and can you tell me why, just for my own understanding)? You use the common ion effect which is just an extension of the Le Chatelier's Principle. The...

18 years ago

Can you explain the process for solving this problem (this one is more complicated than the example in our book): A solution contains both I^- and Cl^-, each at a concentration of 3.0x10^-2M. What concentration of Pb^+2 is required to precipitate the maxi...

18 years ago

Concerning compounds cyanogen, Hydrogen cyanide and sodium cyanide. Cyanogen = C2N2 (CN)2 Hydrogen Cyanide = HCN boils at 26C and yeilds an acid solution when added with water. Sodium Cyanide = empirical formula NaCN is a solid melts at 564C a) Assuming t...

18 years ago

CH2 = CH - CH - OH ............| ...........CH3 Draw the structure of this polymer and identify the monomer unit. Should show three monomer unit State the type of polymerization involved in forming this polymer Hi Lacey, do you know the answers for part a...

18 years ago

Reaction 1 ............................O ...........................// CH2=CH-CH-OH + CH3-CH-CH2-C ........|...........|......\ .......CH3.........CH3......OH Left of the "+" is COMPOUND 1 and the right is COMPOUND 2. a) Identify the Functional groups in...

18 years ago

State the Le Chatelier's principle and explain the following i) The effect that incresing the pressure will have on the eaualibrium yield of methanol ii) The effect of increasing the temperature will have on the equalibrium yeild of methanol iii) The effe...

18 years ago

....CH3.................O........................... ...__/......................||.......................... ..// \\______N___C___CH___NH2. ..\==/.............|..................||…............. ........\...........H…….......CH3……….... ......CH3............

18 years ago

Wow, ok, that helps a LOT!! I guess you can't very easily balance an equation that can never happen! :) Thanks a lot! Just to make things clear, wouldn't it have to be Mg3(PO4)2, from balancing the charges? Because PO4 is -2 and Mg is +3, so it would need...

18 years ago

Can someone please give me an example of a chemical reaction of scandium with oxygen? Thanks This site may have the information you need. http://www.webelements.com/webelements/elements/text/Sc/chem.html that's awesome, thank you! :) You're welcome. Sorry...

18 years ago

Hi, I have another question... I need to write a reaction for the preparation of americium by reducing AmF3 with barium vapor at 1100C I'v looked and can't find anything that will help me with this... (I'm preparing for finals, so this might not be my las...

18 years ago

Can someone please tell me why I would (or wouldn't) expect a color change if FeCl3 were added to pure aspirin and also to oil of wintergreen? (I know aspirin is mostly salicylic acid, and I'm not even sure what compounds are in oil of wintergreen, I'm pr...

18 years ago

Here is a compound that I am trying to name... H H \ / C || CH3-CH2-C-CH2-CH2-CH2-CH3 I came up with 3-methylheptene, but the answer says 2-ethyl-1-hexene. Can someone please explain why I'm wrong? Thanks that showed up wrong - the methyl with the double...

18 years ago

Why is miosis important in providing airation in living things?

18 years ago

A quarterback and end play on their team. From the start of a play, Pete, the end, runs down the field at about 25 feet per second. Two seconds after the play starts, Phil, the quarterback, throws the ball, at about 50 feet per second, to Pete, who is sti...

18 years ago

I have a reaction here: 2Na3PO4.12H2O + 3BaCl.2H2O --> Ba3(PO4)2 + 6NaCl + 30H2O and a question: 0.349g of BaCl2.2H2O and 0.624g of Na3PO4.12H2O are dissolved in 500mL of water to form a solution - how many grams of the excess reactant remain after the re...

18 years ago

I'm working on a couple of SAT math programs for school, and I have trouble figuring some out. 1. Joe is 3 years younger than Kate. If n represents Nora's age now, what was Kevin's age 4 years ago, in terms of n? A. N + 7 B. N + 1 C. N - 1 D. N - 4 E. N -...

18 years ago

I asked two questions yesterday, and thankfully, bobpursley answered the latter. I accidentally typed in the first question wrong, so I'd really appreciate it if someone helps me out. Thank you, and have a good day :) 1. Kevin is 3 years younger than Nora...

18 years ago

how do you find the dy/dx of the square root of x minus the square root of y equal to 10? You have to use implicit differentiation.

17 years ago

1. 2T^2 + 3KT - 3K = 2 (for T) 2. x^3-4x^2 + 6 = 0 (for x)

17 years ago

Can scientists from other countries change what physicists in the United States think? Need help ASAP work due tomorrow XD

17 years ago

can scientific laws be changed by a vote?

17 years ago

Name at least four ordered pairs for which the sum of coordinates is -2.

17 years ago

VISUALIZATION Name the geometric term(s) for: a paritally-opened news paper woven threads in a piece of cloth satellite dish signal

17 years ago

Find the value of the variable and ST if S is between R and T. RS=7a, ST=12a, RS=28 No clue what so ever how to do this.

17 years ago

Please help solve for: solve for x: m < 2=70 and m < 8 = 6 x - 2

17 years ago

A town has a population of 8400 i 1990. Fifteen years later, it's population grew to 12500. Determine the average annual growth rate of this town's population. I really don't understand this problem. I've been going at it for hours and all I've come to is...

16 years ago

I just have one more question. I need to find the equation for the following word problem: a group of yeasts cells grows by 75% every 3 hours. At 9 a.m., there are 200 yeast cells. Write an equation that models the number of yeast cells after 9 a.m. So fa...

16 years ago

A 67gr mass of solid iron is heated by a flame until the temp of the iron equals the temp of the flame. The solid iron is then dropped into 250gr of liquid water at 26 degrees C. After 5 mins, the iron and the water are both at 47 degrees C. Specific heat...

16 years ago

Two brothers enter a race with 5 others. Racers draw names to determine their starting positions (1 to 6). What's the probability that the older brother will start in lane 1 with his brother directly beside him?

16 years ago

I'm studying for a Ruminant Nutrition final exam and have a couple essay questions that I'm really struggling with... - How do ruminants fit into sustainable food production systems? - Assume that you can genetically modify a rumen microbe to perform any...

16 years ago

How does a sunflower's energy get transferred?

15 years ago

A student bikes to school by traveling first d_N = 1.10 miles north, then d_W = 0.500 miles west, and finally d_S = 0.200 miles south. You will now find the same quantity algebraically, without the need to use much geometry. Take the north direction as th...

15 years ago

Mary needs $9000 in 7 years. What amount can she deposit at the end of each quarter at 6% interest compounded quarterly so she will have her $9000?

14 years ago

A 3.6 m diameter merry-go-round is rotating freely with an angular velocity of 0.78 rad/s. Its total moment of inertia is 1700 kg\m^2. Four people standing on the ground, each of mass 62 kg, suddenly step onto the edge of the merry-go-round. 1. What is th...

14 years ago

A solid ball of mass m rolls along a horizontal surface with a translational speed of v. What percent of its total kinetic energy is translational?

14 years ago

what is the best way to enplain orientalism and the characteristics of it?

14 years ago

Ice (initially at 0 degrees celcius)is added to 0.75 L of tea at 20 degrees celcius to make the coldest possible iced tea. If enough ice is added so the final mixture is all liquid, how much liquid is in the pitcher when this condition occurs?

14 years ago

A random sample of 20 hogs on farmer Brown's hog farm had an average weight of 350 pounds and a SD of 70 pounds. Find 95% confidence interval estimate of the mean weight of all farmer Brown's pigs.

14 years ago

Can you help me with these sentences.Review the following sentences. Some of them are correct, whereas others contain an error with a commonly confused word. 1.The diplomats are doing what they can to restore peace. 2.I should of written down where I last...

14 years ago

An instructor gives a test with 20 multiple choice questions. There are 4 responses per questions and only one choice correct. The test also has 30 True/False questions. Determine the probability a student randomly guessing on all questions and correctly...

14 years ago

two cones have radii in the ratio 5:4 and height 2:3, determine the ratio of their volumes . where V=1/3pier^2h

14 years ago

Write a system of inequalities in which x and y are each greater than -3, but not greater than 2. Can someone please help???

13 years ago

A box contains 15 blue marbles, 25 yellow marbles, 20 green marbles and 40 red marbles. How many ,arbles must you select to be sure that a green marble has been chosen ?

13 years ago

How do you balance a chemical reaction word equation?!

13 years ago

Consider the reaction CH4+ 2Cl2=CCl4. If .33 moles of CH4 is reacted with 1 mole of Cl2, how much CCl4 is produced?

13 years ago

Calculate the volume of a 0.150 M NaOH solution that will be required to neutralize all of the H+ ions in 0.400 grams of phosphoric acid?

13 years ago

For the reaction ? N2H4+? O2 →? N2+? H2O , what is the maximum amount of N2 (28.0134 g/mol) which could be formed from 14.75 g of N2H4 (32.0452 g/mol) and 4.31 g of O2 (31.9988 g/mol)? Answer in units of g

13 years ago

A volleyball player serves the ball horizontally with a speed of 23.8 m/s. How far will it have dropped when it reaches a distance 9.1 m

13 years ago

What force of friction would be felt between a 5 kg sled and the ground if a 20 N force is needed to cause it to accelerate at a rate of 1.3 m/s squared?

12 years ago

A glass is slid across a bar top and eventually comes to rest. if the coefficient of friction between the glass and bar top is .32 what is the acceleration it experiences?

12 years ago

a 60 kg boy on a sled reaches the bottom of a hill traveling at 8 m/s, if he comes to a stop at 20 m along this flat stretch of snow what is the coefficient of kinetic friction between the sled and the ground? (hint: find the acceleration first)

12 years ago

What is the approximate molar fraction of ethanol c2h5oh in an aqueous solution in which the ethanol concentration is 11.0 molal? A. 0.0011 B. 0.011 C. 0.170 D. 0.200 E. 0.600

12 years ago

What is the kinetic energy of each electron in a beam of electrons if the beam produces a diffraction pattern of a crystal which is similar to that of a beam of 1.00 eV neutrons? Note: The electron mass is 9.11 × 10–31kg; and the neutron mass is 1.67 × 10...

12 years ago

State the Argument from Religious Experience, does God really exists? *Explain the argument's strengths * Explain (two) of the argument's weaknesses *Explain which attributes of God are supported by the argument. For example, "Is the God proven to exist a...

10 years ago

What is the sum of 3/4 over 8 plus 1/3 over 4

10 years ago

HI, so these are questions from a test that I already took and I got these three wrong. But there letting me re do it so can someone explain to me or give me a link or something? Select a new deal program that helped improve the lives of south Carolinians...

9 years ago

Following the birth of a​ child, a parent wants to make an initial investment P 0 that will grow to ​$70,000 for the​ child's education at age 19. Interest is compounded continuously at 6​%. What should the initial investment​ be? Such an amount is called...

8 years ago

X^2+y^2+6y+3=0 x^2+y^2-9x-6=0 List the solutions: Please and thank you!

8 years ago

Consider the following reaction: Zn (s) + 2HCl (aq) ---> ZnCl2 (g) + H2 (g) If the reaction has a 68.4% yield, how many grams of zinc are needed to obtain an actual yield of 1.00 g of zinc chloride? Stuck on how to figure this out!

8 years ago

A roll of paper towels has a radius of 12 cm and a height of 18 cm. the cardboard tube in the centre has a radius of 5cm. Find the volume of the paper towels So would I do 18-12?

8 years ago

Lee walked for 20 minutes on a motorized treadmill that was set at a constant speed of 4 miles per hour. About how many miles did Lee walk on the treadmill? A. Between 1/2 and 1 B. Between 1 and 1 1/2 C. Between 1 1/2 and 2 D. Between 2 and 2 1/2 E. More...

7 years ago

What is the product of a complex conjugated? The product of complex conjugates is a difference of two squares it is always a real number. The product a complex conjugates may be written in standard form as a + bi where neither a nor b is zero. The product...

5 years ago

Factoring in both direct and indirect factors, the production of livestock is responsible for producing approximately 15% of all greenhouse gas emissions across the globe, which has an impact on global climate change. According to one study, producing 1 k...

5 years ago

Consider the light from a green laser pointer (wavelength = 532 nm). What is the energy of 1 photon form this laser? If the laser emits 1.30×10^-2 J during a pulse, how many moles of photons are emitted during the pulse?

5 years ago

In a paragraph, describe how plant roots could break rocks.

4 years ago

In a paragraph, explain what gems are. Also, explain the difference and similarity between rocks and gems.

4 years ago

Which sentence is correct? a. The salesman from Florida made record sales. b. The salesperson from Florida made record sales. c. The policeman fired a shot at the suspect. d. The stewardess made the announcement on the plane.

3 years ago

With what general topics is the code of Hammurabi concerned

11 months ago

Actually, sorry, the amount LEFT OVER is .262g of Na3PO4 - .362 was the amount used.

18 years ago

Hey, I'm a student and I sort of did a paper on this a few months ago. To pick my topic, I basically wrote about my own race, because I know most about it. Then, I picked a problem in my community that my race (which is a minority) deals with constantly,...

18 years ago

lakes, rivers, glaciers

17 years ago

is it 70?

17 years ago

u must be really really smart, u've answered most of ppls questions, including my own

17 years ago

FOOD CHAINS FOLLOW A SINGLE PATH AS ANIMALS EAT EACH OTHER. EXAMPLE: GRASS (is eaten by a) GRASSHOPPER (which is eaten by) a FROG (which is eaten by a) SNAKE (which is eaten by a) HAWK -------------- FOOD WEBS SHOW HOW MANY ANIMALS ARE INTERCONNECTED BY D...

17 years ago

the volume of gas is your dependent because it changes according to the temperature

17 years ago

A personal mission statement is a brief description of what you want to focus on, what you want to accomplish and who you want to become in a particular area of your life over the next one to three years. It is a way to focus your energy, actions, behavio...

17 years ago

Homogeneous Mixtures: salty water Heterogeneous Mixtures: sandy water

17 years ago

A thesis statement is a focused selection of text that can be anywhere from just one sentence to a few pages in size that clearly delineates the argument that will be taken in a proposed paper to be written. A thesis statement should be prepared in advanc...

17 years ago

2/9

17 years ago

nvm, i figured it out i think

17 years ago

plane lines lines i think that's what they are..not sure

17 years ago

so...its lines, lines, and points?

17 years ago

Thanks so much!

17 years ago

oh, thank you so much!

16 years ago

yes, but why is it t/3?

16 years ago

I figured this out. For those that may need help with a question like this. Because of the North direction being the displacement vector... there was a 90 degree angle. So... (1.1)(cos90) = 0 (1.1)(sin90) = 1.1 Answer: (0, 1.1)

15 years ago

I had a problem similar to this but I was using -11.4 m/s and 1.35 s. You can use my calculations below and just plug in your numbers. Velocity of diver just before hitting the water,Vf = - 11.4 m/s Time, t = 1.35 s Velocity of diver before 1.35 s = Vi Vf...

15 years ago

I get something close to that.

14 years ago

50.

14 years ago

This is wrong!! Spades are ace through K which is 13 plus the other 3 kings which is 16, not twelve.

14 years ago

2. I should of written(wrote) down where I last put them. 3.I don't(do not) want to buy that. It's to expensive number 4 is correct

14 years ago

4.A evening out can be a great way to clear one's mind.

14 years ago

2. I (should’ve) written down where i last put them. 3 is correct 4. A evening out can be a great way to clear one's mind.

14 years ago

2. I should of written down where(were) I last put them. 3.I don't want to(too) buy that. It's to expensive

14 years ago

First, you have to change miles into feet. There are 5,280 feet in 1 mile. Next, you need to multiply 5,280 feet by 26 miles, to see how many feet are in 26 miles. The answer is 137,280. The last step is to divide 5,280 feet by 137,280 feet. This gives yo...

14 years ago

On a day with an air temperature of 75°F, you read the psychrometer and determine the relative humidity to be 74%. A sudden weather change (that does not affect the actual moisture content of the air) reduces the relative humidity to 70%. What was the tem...

14 years ago

Why in the world would Mrs. Sue put incorrect answers on here? Mrs. Sue, I understand your beliefs in students doing their own work... but, that doesn't give you the right to sabotage a students grade. If you truely want to help, volunteer in a public sch...

14 years ago

thank you so much!!!!!!!

14 years ago

but how do i balcane the charges? i don't understand what to do with them. i know i am supposed to bring them down, but down where?

13 years ago

Both, because of the reduction of nitrate to nitrogen gas makes it biological and chemical.

13 years ago

On the second question kidneys secrete H+ ions when the pH becomes too low in the blood so the blood won't become too alkaline.

13 years ago

A B B A

13 years ago

I don't know but i need help with the same question!!!....... A company sells cardboard that is 9 1/8 mm thick. Write an equation to solve for the number of sheets of cardboard, c, in a pile that is 255 1/2 mm thick. What must be done to both sides to sol...

13 years ago

I got 100.276. Do i divide that by 172?

13 years ago

I am doing an assignment in class, and I need to find a poem that relates to the poet in my lesson in either a stylistic, thematic, or historical way. And I was wondering, if I could possibly analyze this poem for my assignment?

9 years ago

I love how all of us connections students just ganged up on connexus. I agree completely with everyone else, connexus is so stressful but it is challenging. What I really love is seeing this though, none of us know eachother yet we are agreeing completely...

9 years ago

Melissa you helped me so much I just took my thing on connections academy and it made it so easy

8 years ago

I took the test yesterday and the one with the images is right even though I can't see them here

8 years ago

So what was the answer?

8 years ago

Is this for Connex Academy?

8 years ago

ok this is for connections academy it is the correct answers. thx Lizliz

8 years ago

Actually, some of your answers are wrong, your results gave me a 12/18

7 years ago

Number 15, all you have to do is multiply 1.25 and 25 then divide by 1 and you get 31.25.

6 years ago

@rightanswers is right 😂 tysm I needed to check meh answers 😎

6 years ago

Omg TYSM @Im right !!

6 years ago

Omg can someone just put the right answers

6 years ago

I just used these answers and I got 60%!!!!!!! Dang :( If you are wanting to find the answers then take the time and try and look them up!!! I promise it will help you a lot more! Good luck! :)

6 years ago

Find the savings plan balance after 24 months with an APR of 5% and monthly payments of $250.

6 years ago

Thank you that's a lot of help! Sorry for the words not being copied right!

5 years ago

Thanks everybody, I got a 100%. I hope everyone else gets a 100% as well. I hope y'all stay safe and stay warm. I really hope that soon everyone else's power comes back on. Night y'all.

4 years ago

This is a question that I could not answer or figure out myself. I hope we can all try to find useful information and answers to make this question more understand.

4 years ago

Thank you so much "DrBob222"! I could not have answered my question without you! Thank you so much.

4 years ago

Hello Luke! I am sorry about your difficulty. But I am not sure anyone can answer your question without some information. What are your questions on your test? If you tell us what they are, we can help you! :)

4 years ago

Hello Nevaeh! I can help you. Here are some websites you can go to, to find your answer: - WWW.Mathway.Com - WWW.Brainly.Com - WWW.MalMath.Com and - WWW.Webmath.Com (If these websites don't work for you, just let me know and I'll find more websites for yo...

4 years ago

Hello Anonymous! Don't be scared about getting a F on your test, because that is not going to happen if someone helps you. And that is what I'll do. Here are some websites that you can visit: - WWW.Mathway.Com - WWW.Brainly.Com - WWW.Malmath.Com and -WWW....

4 years ago

The answer is C. Because this is the effect of the cause

4 years ago

normal fault I checked it said correct

4 years ago

I think it's A but idk

3 years ago

The answers are 1: c 2:b 3 c and e 4:a

3 years ago

Dolphin

3 years ago

How am I supposed to know this

3 years ago

Is the correct answer C?

3 years ago