# Posts by molly

Total # Posts: 597

**chemistry**

What reagent would allow you to distinguish between FeCl3 and PbCl2? (As if using an analysis scheme)

**Chemistry**

What reagent would allow you to distinguish between BaS and NiSO4? (As if using an analysis scheme)

**Chemistry**

What reagent would allow you to distinguish between AgNO3 and MNSO4? (As if using an analysis scheme)

**Chemistry**

What reagent would allow you to distinguish between AgNO3 and MNSO4? (As if using an analysis scheme)

**CHEM**

What reactions does Br- have, ones that would distinguish it as a anion? As in a anion analysis scheme?

**Chem**

Why is BaSO4 insoluble in HNO3?

**6th grade**

What is the volume of a chest that is 20 inches by 10 inches by seven and one tenth inches?

**Physics Help!!!**

With the energy needed to warm up some amount of water from 26°C to 44°C, how high could you lift it?

**Physics Help!!! solids and fluids**

During a transatlantic flight, you drink a bottle of water and tightly close its lid again. Back on the ground during taxiing to the terminal, you notice that the thin plastic bottle is crushed, and you eyeball it to be only about 80 percent of its original volume (the photo ...

**Chemistry**

How can you determine which of any two halogens is more active?

**Spanish 1**

B and C

**Physics HELP!!! potential energy**

Two identical metal plates with small holes are aligned a distance L=6.7 cm apart. They have a potential difference of 131 Volts. An electron can enter through the hole in the negative plate and exit through the hole in the positive plate. If it enters with a velocity of 3290 ...

**Physics HELP!!! Potentials and Fields**

Two identical metal plates with small holes are aligned a distance L=6.7 cm apart. They have a potential difference of 131 Volts. An electron can enter through the hole in the negative plate and exit through the hole in the positive plate. If it enters with a velocity of 3290 ...

**Physics HELP!!!**

A car (mass 920 kg) drives up a hill (height 328 m) in 143 seconds. At the bottom of the hill, it has a speed of 24 m/s, but at the top, it has slowed down to 14 m/s. Neglecting friction, what is the average engine power

**Physics HELP!!!**

A car (mass 920 kg) drives up a hill (height 328 m) in 143 seconds. At the bottom of the hill, it has a speed of 24 m/s, but at the top, it has slowed down to 14 m/s. Neglecting friction, what is the average engine power

**Physics**

So would it be 1/2*2.6^2/30

**Physics**

A flywheel has a moment of inertia of 2.6 kg·m2. What is the average power needed to spin it up from rest to an angular velocity of 100 rad/s in 30 seconds?

**physics:energy**

Okay I got it thanks for the help.

**physics:energy**

watts wouldn't be the units correct. My answer is 1456.785

**physics:energy**

How much power is needed to push a box (mass 27 kg) over a surface (coefficient of friction μk=0.5) with a velocity of 1.1 m/s?

**Physics: energy**

Thank you

**Chemistry**

How is the solubility of a solid affected by temperature?

**math**

Let C(q) represent the cost, R(q) the revenue, and π(q) the total profit, in dollars, of producing q items. a) If C′(67) = 65 and R′(67) = 86, approximately how much profit is earned by item number 68? b) If C′(149) = 120 and R′(149) = 98, ...

**math**

6+6/6+6*6=6 where do I put parentheses

**physics**

thanks, i got them all except for the first one.

**physics**

true or false If a net force acts on an object, the object's speed will change. An object's velocity will change if a net force acts on the object. If two object have the same acceleration, they are under the influence of equal forces. The net force which acts on an ...

**English I**

What is feild or Scope? I am writing a book report on Lord of the Fies by William Golding.

**5th grade math**

16-(3x2)x2 16-(6) x2 16-(12) 4 4is the answer and in middle school when u have parensis u don't need to put an x before the nest multipliction number it means times already

**8th grade**

$1 for every 4 oz 12/4

**3rd grade**

they don't really learn algebra they just have a box where a middle or high school student would have a variable

**Physical Science**

thank you

**Physical Science**

If you did it wasn't for me :)

**Physical Science**

Need help please. the once with the ( ) is my answer but i am not sure if it right. Thanks for your help. 15. If the distance from a converging lens to the object is less than the focal length of the lens, the image will be A. real, inverted, and larger than the object. (B). ...

**4th grade**

My mom says that the glaciers are melting because of global warming.

**math**

1+j=2(2j+1)

**math**

18:27

**English**

Thank you very much.

**English**

Obviously, the police will use force if you do not cooperate. Is this grammatically correct? I need to write a sentence to show how a comma should be used after introductory words or groups of words.

**math**

The annual Salary of an electrical engineer is given in terms of the years of experience by the table below. Find the equation of linear regression for the above data and obtain the expected salary for an engineer with 45 years of experience. Round to the nearest $100. x y 2 ...

**math**

A test is composed of six multiple choice questions where each question has 4 choices. If the answer choices for each question are equally likely, find the probability of answering 3 OR 4 questions correctly. 0.131836 0.032959 0.004639 0.164795

**algebra**

Solve: 4 sqrt (x) = 8 + 2 sqrt (x) a) (-4) b) (16) c) none d) (4) c

**math**

simplify cot(-theta)tan(theta)

**Math**

FiberType HighCalorie LowCalori Totals High Fiber 18 4 22 Medium Fiber 23 6 29 Low Fiber 12 21 33 Totals 53 31 84 3. What is the probability that a cereal would both high calorie and high fiber? In other words, what is P(high calorie and high fiber)? 4. What is the probability...

**statistics**

Use this table to answer the questions. Height (in inches) Frequency 50-52 5 53-55 8 56-58 12 59-61 13 62-64 11 1. Identify the class width. 2. Identify the midpoint of the first class. 3. Identify the class boundaries of the first class. 4. Give the relative frequency for ...

**algebra**

I think this is somewhat how you do it. FOIL: (X+4)(X-4) =x^2-4x+4x-16 that simplified is = x^2-16 etc. but idk if i am remotely close

**Drug Abuse**

Well the moods they get it can effect people around them It can lead to stealing money to buy more drugs and that can hurt the family because then they will lie to cover it up.

**Chemistry**

What is the equilibrium constant for the reaction: HCOOH(aq)+ OH (aq) <--> HCOO(aq)+ H2O(l) Ka= 1.7 * 10^-4 Kb for the conjugate base= 4.9 * 10^-11 Thank you!

**algebra**

what is the solution of the following system of equations? 2y + 3x = 8 y = 1/2x a)(2,3) b)(1,2) c)(3,2) d)(2,1) what is the solution if the following system of equations? y = 2x + 10 3y = -4x a)(-3,4) b)(4,-3) c)(5,1) d)(1,5) Thanks you

**math**

what is the solution of the following system of equations? y = -2/3x y = 1 a) (-2,3) b) (1,-2/3) c) (-3/2,1) d) (1,-3)

**Algebra**

what is the solution of the following system of equations? 2y - x = 8 y = 2x + 1 a) (5,2) b) ((1,2) c) (2,1) d) (2,5) what is the solution of the following system of equations? y = 0 x = y + 2 a) (2,1) b) (0,2) c) (1,2) d) (2,0) Thanks, molly

**Chemistry**

Assign oxidation numbers to all species in the redox reactions below. Identify the oxidizing and reducing agents. 1. Fe(OH)2 (s) + CrO42- (aq) → Fe2O3(s) + Cr(OH)4-(aq) (basic)

**biology**

yes.they do

**chemistry check my work**

C7H6O3+CH3OH→C8H8O3+H2O In any experiment, 1.50g of salicyclic acid is reacted with 11.20g of methanol. The yield of methyl salicylate, C8H8O3, is 1.31g. What is the percent yield? percent is 77.l1% is this correct?

**Chemistry**

I am still getting the same answer

**Chemistry**

C7H6O3+CH3OH→C8H8O3+H2O In any experiment, 1.50g of salicyclic acid is reacted with 11.20g of methanol. The yield of methyl salicylate, C8H8O3, is 1.31g. What is the percent yield? From my understanding the equation is already balanced, correct? My answer: 26.7%, is this...

**Chemistry**

From my understanding the equation is already balanced, correct? My answer: 26.7%, is this correct? Work: (11.20gCH3OH)(1 mol CH3OH)/32.05gCH3OH=0.3495gCH3OH 0.3495g/1.31g= 26.68%

**Chemistry**

C7H6O3+CH3OH→C8H8O3+H2O In any experiment, 1.50g of salicyclic acid is reacted with 11.20g of methanol. The yield of methyl salicylate, C8H8O3, is 1.31g. What is the percent yield?

**chemistry**

how many moles are in a 65L sample of chlorine gas at 10degrees Celcius?

**8th grade**

what were two goals of american diplomacy in the 1930s?

**English**

What language was Metamorphoses by Ovid written in?

**entrepreneur/business**

What are three things you would do to sell a strategy proposal to your management team.

**english**

indirect object

**math**

how to solve h/2=3/16

**Science**

Why is this statement true? With the range of data available, geologists cannot predict exactly where and when earthquakes will occur.

**Science**

Is this true? If not why? Oceanic crust near the mid-ocean ridge is younger than oceanic crust farther away from the ridge?

**Spelling**

I'm writing about a position as a sanitation advisor. Which way is the correct way is right. Advisor or Adviser I'm so confused

**science**

can you tell me more about Jupiter please.\

**Math;Pre-Algebra**

HELLO ANYONE THERE COULD YOU HELP ME???????????????????????????????????????????????

**Math;Pre-Algebra**

I can't find the other post please would you resend it to Thd Diana one or to this one both of the names are my nicknames

**Math;Pre-Algebra**

I Can't find it

**Math;Pre-Algebra**

My cousin Robert was pushed into a pool. The pool was 6 feet Wide and 10 feet deep. The pool had soft walls. How did my Cousin Robert Emerge from the pool? Ans__________ Hint- We do not know if it's filled with water or not. It is a round pool. It is a ground pool.It has ...

**French**

How do you make 'cheveux' feminine?

**mad**

how can i finish my homework if there is know one to help me! >:(

**spanish**

I am in spanish 1A. my question is what is these sentences translated in english? 1. a alma le gusta correr? 2.david es de miami o de san antonio? 3.el senor estrada esta bien o terrible? 4. le gusta correr a arturo o a francisco? 5. el senor garcia es de san antonio o de ...

**chemistry please help**

how do you know if a hydrolytic work up is required for reactions with grignard reagents? What does hydrolytic work up mean is it treatment with aqueous acid

**STOICHIMOETRY**

HOW MANY MOLES OF O2 CAN BE PRODUCED BY LETTING 12.00 MOLES OF KClO3 REACT?

**11th grade Physics**

Okay but is 42 the answer ?

**11th grade Physics**

Two children playing on the beach are pulling on an inner tube. One exerts a force of 45 N [N]. The other exerts a force of 60 N [SW]. What is the net force acting on the tube?

**Physics**

Two children playing on the beach are pulling on an inner tube. One exerts a force of 45 N [N]. The other exerts a force of 60 N [SW]. What is the net force acting on the tube?

**URGENT: Grade 8 Math**

In my math question it says: Multiply. Simplify before multiplying. Use benchmarks to estimate to check the product is resonable. a)3/4 x 8/5 is one of the equations What are benchmarks?

**math**

Natasha has to determain the number of toothpicks in the 15th step, step one has four toothpicks step two has 12 toothpicks and step three has 24 toothpicks. She does not want to draw 15 pictures then count the toothpicks. Explain or show how she could do this.

**9th grade geometry**

if RS=8y+4, ,,ST=4y+8 and RT=15y-9 find the value of y

**AP Bio**

I have the same question

**law**

the u.s congress passed the safe streets and crime control act in 1968, this legislation was used to fund what federal program

**HCA 270**

Can anyone help me with this please? What types of cost allocation criterion and methods are available to all healthcare organizations

**Financial Matters**

Has anyone been a health care financial officer that can do a interview for me? I just ask some questions and all I need are your answer. But you have to be, or have been a financial health care officer.

**Financial officer Interview**

I was just hoping someone in the health area might have been on before and would have been able to take the time to interview with me. Just trying.

**Financial officer Interview**

No I need to do an interview with a health care financial officer. These are the questions that I am asking you, or the person.

**Financial officer Interview**

1.Briefly describe your current position and its duties and responsibilities. 2.What are the revenue centers for your organization 3.What types of centers (departments) have budgets? 4.How many cost centers are there? Can you give some examples? 5.How important is it to ...

**English**

Can you please proofread this for me. Its just a journal entry that we had to do. Thank you very much!! Ever since I was a little girl I dreamed of growing up to become an elementary school teacher. Sure enough that dream still holds true today. I want to be able to provide ...

**English**

This is the second part. Feedback is appreciated greatly. During my time in the class I was able to put many smiles on people's faces. With the help of my council, we took part in adopting over twenty families for Christmas, prepared/delivered food baskets for the Veterans...

**English**

This is the second part. Please read. Thanks for your feedback. During my time in the class I was able to put many smiles on people's faces. With the help of my council, we took part in adopting over twenty families for Christmas, prepared/delivered food baskets for the ...

**English**

Can you please proofread this for me. Any help would be greatly appreciated. Throughout my life, I have been faced with many great opportunities that have helped me become a better person and reach my goals in life. I graduated from ? High School in 2008 with honors and have ...

**Child Growth & Development**

What is an example of physical aggression that would occur in middle childhood? I already looked up the definition and understand what it means. I need an example of this type of aggression. Thank you

**Social Studies**

Hairstyles Early 1960's Middle 1960's Late 1960's Popular Accessories Popular places that people got their clothes from Bathing Suits Dresses Tops Pants Skirts Shoes Hippies in the 1960's

**algebra**

When trying to solve an equation and you end up with the exact same number on both sides , like 10=10 then the equation has infinitely many solutions. If you end up with 2 different number on both side of the equation, like 3=5 then the equation has no solution. If there is a ...

**biology**

It's obtained directly from ATP adenosine triphosphate

**Eng. Quick ?**

At the bottom of your cover letter do you have to put resume enclosed or attached or no?

**English Proofread**

Can you please read my first paragraph for my cover letter. The writer had to identify self and purpose in the 1st paragraph. Can you please give me feedback and check my grammar? Thank you help is greatly appreciated Your advertisement for any entry-level position as an ...

**English Quick ?**

When your writing a cover letter to a women of a company you address her as Ms. right not Mrs?