Wednesday
September 2, 2015

Posts by mindy


Total # Posts: 201

chemistry
I just want to know how to set up the problem...
July 28, 2015

chemistry
What is the volume, in L, occupied by 3.260 moles of NO2 gas at STP conditions?
July 28, 2015

chemistry
(567*136/19c)=(421*183.16/19c) =4,058.5 mL Is this correct?
July 28, 2015

chemistry
A fixed amount of CH4 gas occupies a volume of 136 mL at a pressure of 567 mm Hg and a temperature of 19oC. What will be the volume, in mL, occupied by this sample of CH4 gas when the pressure is decreased to 421 mm Hg while holding the temperature constant?
July 28, 2015

chemistry
Consider the following chemical reaction: 2 KNO3 (s) ------------> 2 KNO2 (s) + O2 (g) What volume, in liters, of O2 at 31.2oC and 2.045 atm pressure can be produced from the decomposition of 54.92 g of KNO3 (FM = 101.1 g/mol).
July 28, 2015

chemistry
How do I set up the problem?
July 28, 2015

chemistry
What is the volume, in L, occupied by 1.20 moles of C2H6 gas at a temperature of 125oC and at a pressure of 1.55 atm?
July 28, 2015

chemistry
A pressurized can of paint contains a fixed mass of gas at an internal pressure of 1.258 atm at 24.8oC. Suppose the can is able to withstand an internal pressure of 2.410 atm before it explodes. At what temperature, in degrees Celsius, will this can explode? HINT: The can is a...
July 28, 2015

chemistry
The combined gas law can be rearranged to solve for T2. In which of the expressions given below has the combined gas law correctly been rearranged to solve for T2?
July 28, 2015

chemistry
The barometric pressure recorded by a weather balloon is 0.731 atmoshperes (atm). Express this barometric pressure in millimeters of mercury (mm Hg).
July 28, 2015

chemistry
Calculate the density of C2H2 gas (FM = 26.04 g/mol), in g/L, at a pressure of 2.082 atm and at a temperature of 62.5oC.
July 28, 2015

chemistry
A 12.8 L sample of Ne gas initially has a temperature of 32.7oC at a pressure of 2.57 atm. What is the new pressure, in atm, if the volume is changed to 10.6 L and the temperature is decreased to 13.9oC?
July 28, 2015

Chemistry
A Mylar Happy Birthday balloon contains 5.15 L of helium gas at 19.4oC. If the pressure remains constant, what will be the volume of helium in the balloon, in L, when the temperature is increased by 6.6oC?
July 28, 2015

Chemistry
A balloon containing 0.600 mole of SO2 gas has a volume of 275 mL at a certain temperature and pressure. What volume, in milliliters, would a 0.765 mole sample of SO2 gas occupy at the same temperature and pressure conditions?
July 28, 2015

Chemistry
946mL
July 28, 2015

Chemistry
A sample of H2 gas occupies a volume of 565 mL at STP. What, volume, in mL, will this sample of H2gas occupy at a temperature of -17oC and at a pressure of 0.560 atm
July 28, 2015

Chemistry
What is the heat capacity of 83 g of mercury? Specific heat of mercury = 0.14 J/(g oC)
July 21, 2015

Chemistry
What is the mass, in grams, of a sample of solid zinc if its temperature changes from 25.7oC to 39.0oC when it absorbs 123 J of heat energy? Specific heat of zinc = 0.388 J/(g oC)
July 21, 2015

Chemistry
How many grams of Fe can be heated from 40.0oC to 60.0oC when 20.0 g of Cu cools from 100.0oC to 25.0oC? Specific heat of Fe = 0.444 J/(g oC); specific heat of Cu = 0.382 J/(g oC)
July 21, 2015

Chemistry
Calculate the amount of heat, in kJ, needed to convert 30.0 g of ice at -5.2 oC to liquid water at 58 oC. Specific heat of ice = 2.10 J/(g oC); heat of fusion of ice = 334 J/g; Specific heat of water = 4.18 J/(g oC)
July 21, 2015

math
Aiden completed 18 out of the 25 questions on his history test. What percent of the questions did he complete
April 18, 2015

Question
English. Just in the United states current year 2014
November 24, 2014

Question
What four songs can I select to explain the heritage and the popular culture of the United States? Or lead me in the direction of understanding moe into what the heritage and popular culture is
November 24, 2014

Verb - Check
Because someone accidentally pushed Frank as he walked down the street, he nearly dropped his papers and lost them in the wind. In the sentence above, which verb is the irregular verb? •lost •walked •pushed***** •dropped
March 11, 2014

Educational Technology and Online Learning
Thank you so much!
March 11, 2014

Ms. Sue (Check My Answers)
Who is affected by electronic theft of a song? •Just the singer •Just the songwriter •Songwriters, artists, record company, producers, and ultimately the consumer******** Which is an accurate description of the legality of file sharing, wherein you upload music ...
March 11, 2014

Educational Technology and Online Learning
Who is affected by electronic theft of a song? •Just the singer •Just the songwriter •Only the record company******** •Songwriters, artists, record company, producers, and ultimately the consumer Which is an accurate description of the legality of file ...
March 11, 2014

Math ~ Check Answers ~
Thank you so much for check and helping me to understand! :)
March 6, 2014

Math- Brady
Round up .05 to 0.9 and round down if .00 to .04. Then I have .04 which rounds up to 0.0, so the answer is 144.40
March 6, 2014

Math ~ Check Answers ~
144.40 ? ? ? ?
March 6, 2014

Math ~ Check Answers ~
Find the circumference of the circle (use 3.14 for pi). Show your work. Round to the nearest tenth. the radius is 23 yd My Answer: ???? •Circumference = (2) (3.14) (23) •3.14 x 2 x 23 = 144.44
March 6, 2014

MATH -ms.sue
•Circumference = (2) (3.14) (23) •3.14 x 2 x 23 = 144.44
March 6, 2014

MATH
Find the circumference for the circle ( use 3.14 for pi ). Round to the nearest tenth. the circumference for the circle is 23 yd.
March 6, 2014

Cybersafety
What is the difference between tangible and intangible property? Tangible and intangible property are both covered by intellectual property protection. Tangible property is covered by intellectual property protection, but intangible property is not. ******** Neither tangible ...
March 6, 2014

Cybersafety Oops, 1 more. I forgot!
How do cyber communities differ from communities in the real world with regard to behavior? It can be more difficult to identify inappropriate behavior in a cyber community. ****** They are not different in any important ways People behave more appropriately online than ...
March 6, 2014

Cybersafety
thanks so much!!!
March 6, 2014

Cybersafety, Really Please Help Me! :(
2. Which of the following is a sign that a website is inappropriate? •It contain information that you find embarrassing???*****??? •It advocates for a particular political position in a respectful way. •It sells products •It offer information about current ...
March 6, 2014

Cyber Community Citizenship
so # 2 is correct?
March 6, 2014

Cyber Community Citizenship
2. Which of the following is a sign that a website is inappropriate? •It contain information that you find embarrassing???*****??? •It advocates for a particular political position in a respectful way. •It sells products •It offer information about current ...
March 6, 2014

Cyber Community Citizenship
1. How do cyber communities differ from communities in the real world with regard to behavior? •It can be more difficult to identify inappropriate behavior in a cyber community. ****** •They are not different in any important ways •People behave more ...
March 6, 2014

Science- Brady , Ms. Sue , Damon
thanks so much guys ! :)
March 3, 2014

Science- Brady , Ms. Sue , Damon
How would playing a game of soccer, baseball, or basketball be different if inertia didn't exist?
March 3, 2014

Inertia Science
How would playing a game of soccer, baseball, or basketball be different if inertia didn't exist?
March 3, 2014

Science- Brady, 2 more!
Thanks!
March 3, 2014

Science- Brady, 2 more!
#1. Which statement is true about the image below? 7 N -> |rectangle| <- 7 N •The forces acting on the rectangle are balanced. (?CORRECT?, MY ANSWER) •The forces acting on the rectangle are unbalanced. •The forces acting on the rectangle are unequal. •...
March 3, 2014

Science- Brady, 2 more!
#1. Which statement is true about the image below? 7 N -> |rectangle| <- 7 N •The forces acting on the rectangle are balanced. (?CORRECT?, MY ANSWER) •The forces acting on the rectangle are unbalanced. •The forces acting on the rectangle are unequal. •...
March 3, 2014

Science
Yes, you are correct thanks so much!
March 3, 2014

Science
I can’t put the diagram (picture) here so... I type down: Hope it help! left side there is an arrow pointing to the square, it measures 5 N (big) In the middle (between the arrows) there is a square Right side there is an arrow pointing to the square, it measures 3 N (...
March 3, 2014

Science -Check Answers-
# 2. When __________ forces act on an object, they cause the object to move. •Balanced •Unbalanced (?CORRECT?, MY ANSWER) •Friction •Net # 4. Which of the following terms BEST describes the scenario below? A meteor moving through outer space continues to ...
March 3, 2014

Science
Thanks! :)
March 3, 2014

Science
She forgot to change to my name! sorry!
March 3, 2014

Science -CHECK MY WORK-
Jessica is my sister. She forgot to change her name!
March 3, 2014

Science
A cat is walking down a sidewalk and spots a dog in a nearby yard. The cat strats to run in the opposite direction and then quickly climbs a tree. Which of the the following changes most accurately describes the movement of the cat? speed distance velocity****** motion
March 3, 2014

Social Studies--Check My Answers Please--
What was the third part of James K. Polk's war plan? a) to capture Mexico City******** (or c ) b) to seize California c) to drive Mexicans out of borderlands d) Oregon and Washington state
February 28, 2014

Social Studies--Check My Answers Please--
#1. Who was the African American who called the war with Mexico "disgraceful" and "cruel"? a) Santa Ana b) Frederick Douglass ****** c) Davy Crockett d) Sam Huston #2. When Mexico won its independence in 1821, it inherited the New Mexico province from Spain...
February 28, 2014

Social Studies
#1. Who was the backwoodsman who lost his life at the Alamo? a.) Sam Houston b.) Davy Crockett ****** c.) John Tyler d.) Stephen F. Austin #2. What policies contributed to tensions between Texas and Mexico? a.) The Mexican government limited immigration to Texas, thus leaving ...
February 28, 2014

Ms. Sue (Check My Answers)
#1. Kilometers per hour describes the speed of an object. true **** false #2. Which of the following reference points would allow you to observe the speed of a car that you are traveling in? a) an airplane flying across the sky b) a car traveling next to you at the same speed ...
February 27, 2014

Science
#1. Kilometers per hour describes the speed of an object. ture false **** #2. Which of the following reference points would allow you to observe the speed of a car that you are traveling in? a) an airplane flying across the sky b) a car traveling next to you at the same speed ...
February 27, 2014

Science ~CHECK ANSWERS PLEASE~
#1. Kilometers per hour describes the speed of an object. ture false **** #2. Which of the following reference points would allow you to observe the speed of a car that you are traveling in? a) an airplane flying across the sky b) a car traveling next to you at the same speed ...
February 27, 2014

Math ~ Check Answers ~ASAP
Got it! Thanks, Damon!
February 27, 2014

Math ~ Check Answers ~ASAP
Select the numbers that divide exactly into 344, without a remainder. 2 4 ****** 5 10 100
February 27, 2014

Math ~ Check Answers ~ASAP
OH Ok, Thanks!
February 27, 2014

Math ~ Check Answers ~ASAP
So, it's 5 right?...
February 27, 2014

Math ~ Check Answers ~ASAP
Is it 5?
February 27, 2014

Math ~ Check Answers ~ASAP
Select the numbers that divide exactly into 965, without a remainder. 2 ***** 4 ****** 5 ****** 10 100
February 27, 2014

Cyber safety
Thanks for checking! :-)
February 27, 2014

Cyber safety-Check Again?!
What is the grooming process as it relates to online predators? a.) the process by which online predators lure in minors to get them close enough to hurt them ******* b.) the process by which online predators are trained c.) the process by which a cyber bully becomes an online...
February 27, 2014

Cyber safety
What is the grooming process as it relates to online predators? a.) the process by which online predators lure in minors to get them close enough to hurt them b.) the process by which online predators are trained c.) the process by which a cyber bully becomes an online ...
February 27, 2014

Math
how can I make equivalent powers: 2 ----- 6 x 10^-9
February 10, 2014

Math
Thank you Damon the answer was B
December 1, 2013

Math
Simplify 2a^2 b^3 (4a^2 + 3ab -ab) A.) 8a^4 b^5 + 3a^3 b^5 - 2a^3 b^4 B.) 8a^4 b^3 + 6a^3 b^5 - 2a^3 b^4 C.) 8a^4 b^3 + 6a^3 b^5 + 2a^3 b^4 D.) 8a^4 b^5 + 3a^3 b^5 + 2a^3 b^4 I'm guessing its A
December 1, 2013

Math 2008
A recipe for biscuit mix calls for 8 cups of flour, 1 and 1/3 cups of nonfat dry milk, and 5 tablespoons of baking powder. If you had only 6 cups of flower, what would be the comparable amounts of nonfat dry milk and baking soda?
November 11, 2013

chemistry
In the reaction Mg (s) + 2HCl (aq) H2 (g) + MgCl2 (aq), how many liters of hydrogen gas will be produced from 75.0 milliliters of a 3.0 M HCl in an excess of Mg at STP?
June 13, 2013

Chemistry
An antacid tablet containing magnesium hydroxide instead of calcium carbonate was dissolved in 100.0 mL of 0.2893 M HCL. 10 mL of this solutions was titrated to endpoint with 25.20 mL of 0.1007 M NaOH. How much magnesium hydroxide was in the antacid tablet(in mg)? Any help is ...
May 7, 2013

math
A) even
April 11, 2013

psychology
Naturalistic
April 9, 2013

History
Differentiate the theory of Social Dariwinism and the Gospel of Wealth.
September 6, 2012

Algebra
Log to the base of 3 (x-4)=2
May 22, 2012

algebra
Rewrite this polynomial so that the terms are in ascending order: 8x + 4x^4 + 10 + 6x^3 + 3x^5
May 17, 2012

Algebra
You invest $1,000 in an account with continously compounding interest of 4% a year. When will your account be worth $1,500 dollars?
May 16, 2012

Algebra
You invest $5,000 at a 12% annual return that is compounded quarterly. That means that your interest earned is calculated and added to your account 4 times a year. When would your investment double in value?
May 16, 2012

tax
$25,000 - $20,000 = $5,000 remaining basis. The $16,000 allocated to Bailey is limited to the $5,000 at-risk. Answer: $5,000
May 10, 2012

Algebra
54a^2b^3 with a radical symbol over the whole thing
April 25, 2012

psy statistics
3. Select alpha and interpret your findings. Make sure to note whether it is significant or not and what the effect size is.
April 24, 2012

Chemistry 110
Water can be formed from its elements. what volume of oxygen would be required to react with 2.68L of Hydrogen at STP?
April 4, 2012

billing and coding
An 18-year-old male presents to the ED following a serious motor vehicle accident. Based on his injuries and symptoms, the ED physician orders a CT of the abdomen and pelvis to assess any possible injuries. He accompanies the patient to the radiology department and discusses ...
December 12, 2011

billing and coding
17-year-old female presents to the ED with lower abdominal pain and back pain. The ED physician orders a CT of the abdomen and pelvis with IV contrast. The radiologist supervises the process of providing the CT, and then interprets the acquired images. He also dictates a ...
December 12, 2011

algebra
solve the equation: 7h^4+h^2-6=0
December 6, 2011

english
Explain how a word can be a morphemic noun and a syntactic adverb in the same sentence
December 6, 2011

english
i cant decied which would be the best to write about and i am not good with details and being to the point
December 6, 2011

english
Use one of the following topic sentences to write a well-developed paragraph of approximately 150 words. Supply the specific details or examples that support the topic sentence you choose. •Our dog is a nuisance to the neighbors. •Baby-sitting is an easy way to earn ...
December 6, 2011

english
Read the following paragraphs carefully and compare them. Paragraph #1 Since every person has only one opportunity to live each hour of his life, the time must be spent wisely. He should spend it thoughtfully. He should care what he does with his time. He should use good ...
December 6, 2011

CHEMISTRY
Which is NOT a solution? 1 metal alloys, 2 ice in water, 3 sugar in water, 4 vinegar in water.......the answer is ice in water correct?
November 11, 2011

Chemistry
DR.BOB222 ENGLISH PLEASE?????? I know how to get the beta decay for strontium. just having a hard time with the concentration of strontium and the amount of yrs. passed....please help!!
November 11, 2011

Chemistry
The half-life for beta decay of strontium-90 is 28.8 years. A milk sample is found to contain 10.3 ppm strontium-90. How many years would pass before the strontium-90 concentration would drop to 1.0 ppm?
November 11, 2011

Chemistry
so what is the molar mass? i know that v= ? * .805/263K, but im stuck on this one???
November 11, 2011

Chemistry
There is a balloon filled with methane,CH4. If the mass of the methane is 68.34g, what is the volume of the balloon at 0.805 atm and a temperature of -10*C?
November 11, 2011

Chemistry
yes 211 L? is that right?
November 11, 2011

Chemistry
211
November 11, 2011

Chemistry
a cylinder of helium has a volume of 8.0 L. The pressure of the gas is 388 lb in -2 at 25*C. What volume will the helium occupy at a standard atmospheric pressure (14.7 lb in -2) assuming there is no temperature change?
November 11, 2011

  1. Pages:
  2. 1
  3. 2
  4. 3
  5. Next>>

Members