Sunday

October 23, 2016
Total # Posts: 1,280

**chem**

i don't understand how to do it

*February 24, 2015*

**chem**

Baking powder consists of 4 ingredients – CaHPO4, NaAl(SO4)2, NaHCO3 and cornstarch. Using the guidelines below, determine the masses of each ingredient in a sample of baking powder using the following specifications:. (Tip: Parts i, ii v and vi below should be VERY easy...

*February 24, 2015*

**~MATH~**

Yay!! Thanks!

*February 4, 2015*

**chemistry**

ohh I converted from grams to molariry instead of from mols i'll try it with the new calculations.

*February 2, 2015*

**chemistry**

For the equilibrium below at 400 K, Kc = 7.0. Br2(g) + Cl2(g) equilibrium reaction arrow 2 BrCl(g) If 0.85 mol of Br2 and 0.85 mol Cl2 are introduced into a 2.0 L-container at 400. K, what will be the equilibrium concentrations of Br2, Cl2 and BrCl? I tried to set it up and ...

*February 2, 2015*

**Art**

The asnwer is A

*January 29, 2015*

**Art**

Did you get this right.?

*January 29, 2015*

**Art**

The answer is D. i got 100% too

*January 27, 2015*

**i need help**

its B and D

*January 27, 2015*

**Language Arts**

The answer is C.

*January 23, 2015*

**art**

B,D,C

*January 23, 2015*

**Math**

Three consecutive integers are such that the sum of the largest number and 2 times the middle number is 27 more than twice the smaller number

*January 22, 2015*

**idk**

Silver is composed of a single type of atom and cannot be broken down into different substances. Silver is an example of a(n) _____.

*January 20, 2015*

**Algebra**

thanks C:

*January 15, 2015*

**Algebra**

Simplify this expression (DO NOT solve for x) 5x+6(x+2)-8(x-3) I have no clue, can someone tell me how to solve it? Please don't tell me the answer, only how to solve it. Thanks :D

*January 15, 2015*

**Algebra**

@Ms Sue !! Please please help me

*January 15, 2015*

**Algebra**

Simplify this equation: -9-6(w+5) I think it is -15w+30. Please reply ASAP

*January 15, 2015*

**Art**

No problemo ;)

*January 15, 2015*

**Art**

I would say B yes.

*January 15, 2015*

**Civics**

PLEASEEEEE

*January 11, 2015*

**Civics**

If one judge interperets a law in a manner that pardons a person in 2011, a different judge ruling on the same type of case in 2020: A)must absolutely abide by the 2011 interpretation B)can site the 211 case as a model for the 2020 ruling C)can disregard the 2011 decision only...

*January 11, 2015*

**Civics Still**

Thank you very much. I have to get this study guide done before tomorrow D:

*January 11, 2015*

**Civics Still**

mena placed an order to purchase 12 soccer uniforms for her sons team. she paid for the uniforms, and they should have been delivered within 2 weeks. The uniforms were never delivered, and the company refuses to refund her money. Mena contacts a lawyer to file a lawsuit ...

*January 11, 2015*

**Civics**

Please hurry

*January 11, 2015*

**Civics**

The author of the Federalist Paper Number 11 wrote: "A navy of the United States, as it would embrace the resources of all, is an object far less remote than an army of any single state or partial confederacy." The author would most likely agree that establishing and...

*January 11, 2015*

**Civics**

I was thinking reserved... but maybe delegated.

*January 10, 2015*

**Civics**

In Article I, the United States Constitution says, “No State shall…coin money.” Instead, the Constitution grants authority to coin money to the national government. This means that coining money is an example of what kind of power? Reserved Shared Delegated ...

*January 10, 2015*

**Civics**

Thanks !!!

*January 10, 2015*

**Civics**

Both state and national governments have the power to...?

*January 10, 2015*

**english**

I say gloomy, but im not sure

*January 9, 2015*

**Math**

666

*January 5, 2015*

**English/grammar**

When I am trying to decide between 2 possible answers in a situation such as this, I say the sentences out loud. Which one sounds correct? This can help SOMETIMES... For instance: I ate an apple. OR I ate a apple. Say each one out loud... one sounds more reasonable compared to...

*January 4, 2015*

**geography**

What types and forms of caulking are available for insulating homes? please help i tried searching them up but each website had different info.

*December 29, 2014*

**Language arts-Johnny Tremain**

beginning to end

*December 15, 2014*

**Language arts-Johnny Tremain**

how has the political climate of Boston changed since the beginning of the book?

*December 15, 2014*

**language arts**

did it end up being c?

*December 15, 2014*

**Physics**

some one please answer these questions. people r struggling that's why they search on internet

*December 10, 2014*

**Science Help!!!!**

Do your own homework. You might learn something and be successful in life.

*December 2, 2014*

**Art Help Please!!!!!**

Answers are ADC=100% I just did this and got a perfect score. Guys the answers are A,D,C

*November 25, 2014*

**chemistry**

720

*November 25, 2014*

**English**

KISS MY ASSSS

*November 18, 2014*

**Health**

She's not guessing the answer – she's just giving us the wrong answer because she knows that we use this to cheat on our exams.

*November 15, 2014*

**grammar**

Drank

*November 14, 2014*

**physics**

i realized the last time when i got it wrong, I put in; w=Fdcos20 =51(44)(20) when i should've put; w=51(44)(cos20)

*November 14, 2014*

**physics**

k thanks :)

*November 14, 2014*

**physics**

A child pulls a 13 kg sled across the snow at a constant 1.6 m/s [N] applying a force of 51 N [N 25 deg U]. How much work have they done after pulling for 44 m? Round answers to the nearest whole number. m=13kg Vcon=1.6m/s F=51N d=44 cos theta=25 W=Fdcostheta? I don't know...

*November 14, 2014*

**Science Help!**

Bless your heart @Diana I LOVE YOU

*November 12, 2014*

**algebra**

20x I think

*October 19, 2014*

**physics**

Ten , one rupees coin are put on the top at of each other on a table. Each coin has a mass 'm'. Give the magnitude and direction of - (1)- The force of 7th coin (counted from bottom) due to all coins on its top. (2)- The force of 7th coin by 8th coin. (3)- The reaction...

*October 14, 2014*

**physics**

Give the answer completely i don't understand it

*October 14, 2014*

**Chemistry**

How many moles of solid Mg(OH)2 should you add to 200mL of 0.15M lactic acid solution to produce pH 4.0 buffer? -I don't know how to do this w/0 knowing pKa, but I don't think the point is to look up pKa. Is there some other way to solve this?

*October 14, 2014*

**Algebra**

I'm in sixth grade I really need help with it

*October 7, 2014*

**Chemistry II**

Dr.Bob222 please help given the following table of thermodynamic data substance delta HofF S PCl3 -288.07 kJ/mol 311.7 J/mol-k PCl3 -319.6 kJ/mol 217 J/mol- k determine the normal boiling point (C)of PCl3

*September 29, 2014*

**Math**

the lcm of two numbers is 60 and one of the numbers is 7 less than the other number, what are the numbers?

*September 9, 2014*

**Chemistry**

How many chemical reactions are possible regarding the formation of carbonic acid and the dissolving of calcite? A. 23 B. 10 C. 2 [D.] 3 ?

*September 5, 2014*

**Physics**

I got two answers. Using d=148.7, df=30.1, Vi=10m/s First I got 26.73s, then I got 48.49s not sure wich is right...if any

*September 3, 2014*

**Physics**

bobpursley, I did not understand your explanation :( Could you please help? Thank you!!

*September 3, 2014*

**geo**

A line contains the points (8, 9) and (–12, –7). Using point-slope form, write the equation of the line that is parallel to the given line and that passes through (–5, –15).

*August 7, 2014*

**Geometry**

.11764?

*August 7, 2014*

**Geometry**

What is the probability of drawing three red cards, one at a time without replacement, from a standard deck of 52 cards?

*August 7, 2014*

**Whats this**

Africa, middle east,asia

*August 5, 2014*

**Geometry**

Let the sides be a, b, and c. Then the total surface area is 2(ab+bc+ca)=22, and total length of all the edges is 4(a+b+c)=24. Hence, ab + ac + bc = 11 and a + b + c = 6. We want to find the length of the internal diagonal, which is √a^2 + b^2 + c^2. First, we square the...

*July 29, 2014*

**Geometry**

First, we note that the cubes of volume 8 and 27 must have edges of length 2 and 3, respectively. Hence, their surface areas are 6 * 2^2 = 24 and 6 * 3^2 = 54, respectively. The largest possible surface area that the cubes could share is the area of one face of the smaller ...

*July 22, 2014*

**science (check please (:)**

thank you

*June 13, 2014*

**science (check please (:)**

Luther Burbank was a plant breeder who developed a strain of potato plant that produced more tubers (the part of the root that people eat) of larger size than other potato plants that were grown on farms at the time. This strain of potato was also resistant to the potato ...

*June 13, 2014*

**science (CHECK plz)**

How did Lamarck and Darwin differ in their thinking about species? A. Darwin thought that organisms could induce their own changes, while Lamarck thought that change could only be induced by an organism's environment. B. Darwin thought that change could occur in individual...

*June 13, 2014*

**science (check plz)**

1)When evolution was first proposed, which of the following was used as evidence to support the idea? A)observations of nature B)laboratory experiments C)extensive fossil collections*** D)genetic sequences

*June 12, 2014*

**science (check please (:)**

haha thank you Ms.Sue

*June 12, 2014*

**science (check please (:)**

oh i see, so its C

*June 12, 2014*

**science (check please (:)**

sorry i don't get it

*June 12, 2014*

**science (check please (:)**

A?

*June 12, 2014*

**science (check please (:)**

suppose a species od flowering plant produces primarily blue flowers but also some very pale blue (almost white) flowers the blue color attracts pollinators but the white color does not herbivores feed on this plant and locate it by its blue flower color the white flower color...

*June 12, 2014*

**social studies (check plz)**

thank you

*June 12, 2014*

**social studies (check plz)**

(which of the following is not part of part of the theory of evolution?) a organisms tend to produce more offspring than can survive to reproductive age*****? b organisms can acquire changes during their lifetime that can help their species survive. c organisms that do not ...

*June 12, 2014*

**science (help)**

What environmental pressures in the past do you think were most important in shaping the human species as it exists today?

*June 12, 2014*

**math check**

you and 5 friends go to a concert in how many different ways can you sit in the assigned seats? . . . . . . . . . . . A.720***? . B.120 . C.30 . D.15 (dont remember if i had posted this)

*June 11, 2014*

**math (cant figure it out)**

you own 7 pairs of jeans and want to take 2 of them with you on vacation. In how many ways can you choose 2 pairs of jeans? . . . . . . . . . . . A.60 . B.21**? . C.20 . D.10

*June 11, 2014*

**Math (check answer plz)**

thank you!

*June 11, 2014*

**Math (check answer plz)**

simplify 9C4! . . . . . . . . . . . . . . . . . . . . . . A. 126 . B. 15,120 . C. 5 . D. 3,024******

*June 11, 2014*

**english**

for vague pronouns what is correct. when the car hit a tree, it made a terrible noise or the care made a terrible noise as it crashed into a tree?

*June 11, 2014*

**math (check answer plz)**

thank you for checking!

*June 11, 2014*

**math (check answer plz)**

simplify 8P3! . . . . . . . . . . . . . . . . A. 42 . B. 336********? . C.40,432 . D.56

*June 11, 2014*

**math *check* (PERMUTATION)**

thank you again :)

*June 11, 2014*

**math *check* (PERMUTATION)**

simplify 3! . . . . . . . . A.2 B.5 C.3 D.6*************?

*June 11, 2014*

**math (check answer plz)**

thank you Chelle :)!

*June 11, 2014*

**math (check answer plz)**

The probability of a certain hockey player making a goal after hitting a slap shot is 1/5 how many successful slap shots would you expect her to make after 120 attempts? . . . . . . . . . . . . . My answer: 24

*June 11, 2014*

**Math (check answer plz)**

thank you :)

*June 11, 2014*

**Math (check answer plz)**

13. A true-false test has 12 questions. What is the probability of guessing the correct answers to all of the questions? (1 point) A: 1 over 4096*******? B: 1 over 144 C: 1 over 24 D: 1 over 14

*June 11, 2014*

**math *check***

thank you!

*June 11, 2014*

**math *check***

11. A basket contains the following pieces of fruit: 3 apples, 2 oranges, 2 bananas, 2 pears, and 5 peaches. Jonas picks a fruit at random and does not replace it. Then Beth picks a fruit at random. What is the probability that Jonas gets a peach and Beth gets an apple? A: ...

*June 11, 2014*

**math (please check answer)**

10. You have six $1 bills, eight $5 bills, two $10 bills , and four $20 bills in your wallet. You select a bill at random. Without replacing the bill, you choose a second bill. What is P($1, then $10)? A. 77/190 B. 3/100 C. 3/95*****? D. 2/5

*June 11, 2014*

**math (cant figure it out)**

A spinner is divided equally into six parts with the letters F,G,E,I,Q,O. If you spin the spinner twice, what is P(vowel, then Q)? A. 1/10****? B. 1/9 C. 2/9 D. 1/12.

*June 10, 2014*

**math *check***

haha sorry and thank you i had figured it out but couldnt guess 2 times :)

*June 10, 2014*

**math *check***

oops i mean A

*June 10, 2014*

**math *check***

8. Each of two urns contains green balls and red balls. Urn one contains 8 green balls and 12 red balls. Urn two contains 5 green balls and 8 red balls. If a ball is drawn from each urn, what is P(red and red)? A. 79/65 B. 24/65 C. 20/33******? D. 2/13

*June 10, 2014*

**math (check answer plz)**

ohhhh i get it! thank you!!

*June 10, 2014*

**math (check answer plz)**

7. A bag containing 4 green marbles, 6 red marbles, 14 orange marbles, 5 brown marbles, and 8 blue marbles. You choose a marble, replace it, and choose again. What is P(red, then blue)? A. 48/1369 B. 14/1369 C. 27/37 D. 14/37***?

*June 10, 2014*

**math (please check answer)**

thank you!

*June 10, 2014*