Questions Asked on
January 27, 2018

Chemistry
Rank the compounds by stand molar entropy. F2(g), Ne(g), HF(g) I am a little confused by this question, wouldn't it be ranked by the molar mass of each compound? So, F2(g) is the highest and HF(g) is the lowest in entropy?
asked by Anonymous 
Chemistry
Which of the following are exact numbers? a. There are 100 cm in 1 m. b. One meter equals 1.094 yard. c. We can use the equation: F=9/5 C + 32 to convert from Celsius to Fahrenheit temperature. Are the numbers 9/5 and 32 exact or inexact? d. π
asked by Dalal 
Math
If a=25cm and b=2meters, what is the ratio of a to b?
asked by Raquel 
Chemistry
A copper wire (density=8.96 g/cm^3) has a diameter of 0.25 mm. If a sample of this copper wire has a mass of 22 g, how long is the wire?
asked by Dalal 
General Chemistry II
At a pressure of 1ATM, _____ KJ of heat is needed to vaporize a 32.3 g sample of liquid ethanol at its normal boiling point of 78.4 C. Boiling point (78.4 C), specific heat (2.46 J/g C), and Hvap(78.4 C)=38.6 KJ/mol are provided. Please include how to
asked by Jessica 
physics
A wave traveling along the x axis is described mathematically by the equation y = 0.17sin(8.5πt + 0.45πx), where y is the displacement (in meters), t is in seconds, and x is in meters. What is the speed of the wave?
asked by Amelia 
English
1. He is looking for the key in the room. 2. He is looking for the key which is in the room. 3. In the room, he is looking for the key. [Does #1 mean #2 or #3? Are both okay? It is ambiguous, isn't it?] 4. Look at the boy in the shop. 5. Look at the boy
asked by rfvv 
Math
"How many ways are there to arrange some, but not all, of the letters in "Suspension" if at most once copy of each letter can be used? I have a start... I think the part that says "at most" one copy means that you have to remove one of the "s"'s thus
asked by John 
Chemistry
A student performed an analysis of a sample for its calcium content and got the following results: 14.92% , 14.91%, 14.88% , 14.91%. The actual amount of calcium in the sample is 15.70%. What conclusion can you draw about the accuracy and precision of
asked by Dalal 
GRADE 12 APPLIED MATH
The Problem: Create three sets P, Q and R such that: P ∩ Q = P P ∩ R =empty set Click for more options Q ∩ R has exactly 3 elements 1 mark for creating 3 sets 1 mark for satisfying P ∩ Q = P 1 mark for satisfying P ∩ R =empty set
asked by V 
math (trigonometry)
A ferris wheel has a diameter of 100m and the bottom of the wheel is 4m above the ground. It rotates two times every 10 minutes. Using this information, complete each question. c) Determine the angular velocity of the Ferris wheel in radians/second d)How
asked by Laura 
Tech
A cyber community is different than a physical community because _________________. A.people can go to restaurants to meet friends B.real people interact with each other ***** C.people can do research in a library D. people can post a profile with a
asked by U dew nut nu de wae 
GRADE 12 APPLIED MATH
The Problem: The set T is defined to be all two digit multiples of 2 under 25. 1. How many subsets are there for T? 2. Create a set, V, that is a subset of T. 3. State an element that is in T but not in V. 5 MARKS: 1 mark for showing work in a) 1 mark for
asked by V 
Math
40,50,60,70,80,90,100,110,120,130 according to the box and whisker plot shows above what are the following: 1.the median? 2.the 25th percentile? 3.the value of the third quartile? 4.the minimum value? 5.the maximum value? My answer 1.85 2.40 3.112.5 4.40
asked by Sunji 
GRADE 12 APPLIED MATH
The Problem: We have looked at the probability that two nonmutually exclusive events A or B can happen in this learning experience. We will take it one step further and look at the probability that event A or B or C will happen. The formula is: P[A or B
asked by V 
Calculus
Evaluate slope of a tangent line: y=1(1/2)x^2, P(2,1) The answer is supposed to be 1, but I'm getting 2. [122h(1/2)h^2][1]/h [12h(1/2)h^2+1]/h [h(21/2h)]/h 1/2(0)2 =2
asked by Mike 
English
1. How much money do you have? 2. I have money in abundance. 3. I have money in profusion. [Are the answers acceptable? The prepositional phrases are adveb phrases, aren't they?] 4. How many books do you have? 5. I have books in abundance. 6. I have books
asked by rfvv 
spanish
What emotion do sevillanas usually tell about
asked by Erica McDonnell 
Chemistry
85ml of 0.1M h2so4 solution is titrated against 0.1N koh solution . Calculate the concentration of salt formed when the acid is one fourth neutralized.
asked by Piyush 
Anatomy
An elevated level of Helicobacter pylori may result in A. reflux esophagitis. B. enteritis. C. peptic ulcer disease. D. gastritis. C
asked by Dog 
Science
What are the organs that fat bodies are adjacent to in the frog? It is a six letter word.
asked by Ann 
Science
what is the name of the structure that air passes through when going to lungs from mouth in the frog?
asked by Harry 
Science
What are the organs that fat bodies are adjacent to in the frog? It is a six letter word.
asked by Ann 
GRADE 12 APPLIED MATH
The Problem: Here is important information: Part A: You want to explore the costs of renting and buying a property that you're interested in during the year 2010. You have it narrowed down to a few homes in the same neighbourhood. All homes remain at the
asked by V 
GRADE 12 APPLIED MATH
There are online sports sites which offer free game simulations. For example, you can pick a sport (baseball, basketball, football, college football or basketball and hockey). Then pick any two teams from the same or different eras. Finally, simulate a
asked by V 
physics
A golfer imparts a speed of 40.0 m/s to a ball, and it travels the maximum possible distance before landing on the green. The tee and the green are at the same elevation. (a) How much time does the ball spend in the air? (b) What is the longest "hole in
asked by zach 
physics
An airplane with a speed of 88.2 m/s is climbing upward at an angle of 55.6 ° with respect to the horizontal. When the plane's altitude is 523 m, the pilot releases a package. (a) Calculate the distance along the ground, measured from a point directly
asked by zach 
GRADE 12 APPLIED MATH
The Problem: Two teams, the Exponents and the Radicals, square off in a best of 5 math hockey tournament. Once a team wins 3 games, the tournament is over. The schedule of the tournament (for home games) goes: ERERE If the Exponents are playing at
asked by V 
GRADE 12 APPLIED MATH
The Problem: Zared plays basketball on his high school team. One of the things he needs to practice is his free throws. On his first shot, there is a probability of 0.6 that he will make the basket. If he makes a basket, his confidence grows and the
asked by V 
GRADE 12 APPLIED MATH
The Problem: Create a quadratic function to model the height of an object thrown into the air with the following conditions The maximum height is between 90 and 100 m The object is starts on the ground The object takes at least 10 s before returning to the
asked by V 
GRADE 12 APPLIED MATH
The Problem You are given a piece of cardboard that is 6 inches by 4 inches. You would like to cut equalsized squares out of each of the 4 corners and fold the cardboard in such a way to make an opentop rectangular box. Part A: Complete the table below:
asked by V 
GRADE 12 APPLIED MATH
The Problem: The population of Manitoba from 1975 to 2010 is given in 5year increments. Year/Population 1975 1,019,529 1980 1,033,557 1985 1,078,327 1990 1,102,752 1995 1,124,947 2000 1,144,428 2005 1,176,114 2010 1,226,738 1. Find a quadratic equation of
asked by V 
Math
Decoration:? Candy:45 Invitation:45 Music:40 Party hall rental:80 Food:65 Prizes:30 Costumes:40 Mary is planning a costume party. she spent $375.00 a show on the graph. How much of the money was spent, to the nearest Dollar, on the following items? 1.on
asked by Sunji 
Math
x + y = 21 what can be the smallest integer for positive xy
asked by tasha 
Math
Question: x/15=3 My answer: 45 Am I correct? Did I make a mistake? I've been having problems with math recently, so I wont be surprised if I made a mistake.
asked by Cassidy 
Geometry
1. Use the following set of numbers: 7, 24, 25 Check all that apply below. The set forms the measures of the sides of a right triangle. The set forms a Pythagorean triple. The hypotenuse is 24. One of the legs of the triangle 25. The
asked by Anonymous 
Social Studies
what is the panchatantra A.a collection of saying buddha B.a book of fables or animal stories C.Tales of Hindu gods D. A recently found Text from MohenjoDaro
asked by Zackery 
Chemistry
I have no idea how I would determine the answers to these questions. What am I supposed to do? Based on the properties of the attached functional group, which one of the compounds below would you expect interact most strongly with water, thereby increasing
asked by Anonymous 
Calculus 1
((1/x)(1/a))/(xa) how to solve
asked by Anonymous 
Math
Elizabeth has 1 7/10 as many plants as Rosalie has in her garden. If Elizabeth has 51 plants, how many plants does Rosalie have? Is the answer 1/30?
asked by Cassidy 
Math
Hi! Can someone check my answers for these two questions? Cheryl pours 1 pint of milk from a full 1gallon jug. How much milk remains in the jug? 1 pint 3 pints 5 pints 7 pints** Ada buys 3 pounds 8 ounces of ham and 4 pounds 2 ounces of cheese for a
asked by AnnaBelle 
Math
Write an Equation of the line if x intercept is 2 and is parallel to the line 6x + 3y  5 = 0
asked by r 
Geometry
what would the equation be for something like this? If 2 pencils cost .75, how many pencils can you buy for 8.50?
asked by Anonymous 
Chemistry
Reactions in bomb calorimeters occurs at constant volume while the coffee cup calorimeter has reactions occurring at constant pressure. If one was to perform identical experiments in both of these instruments (one at constant volume and the other at
asked by Anonymous 
pysics
Suppose I hold a 5 pound weight with my arm extended parallel to the ground holding the weight stationary for 15 minutes. What is the work done on the weight ? Explain why this answer seems illogical compared to what you â€œfeelâ€ is going on.
asked by Anonymous 
geography
What is the capital of the country that possess the Canary Islands off the coast of Africa? Spain ??? Capital Madrid??
asked by nicole 
math
If you roll a 6sided die 90 times, what is the best prediction possible for the number of times you will roll an odd number?
asked by kate 
chemistry
What kinds of lab techniques could you cite in your conclusion with a molarity lab? When determine what molarity is correct.
asked by John 
English
1. The letter on the table is yours. 2. A letter on the table is yours. [#1 is correct? What about #2?] 3. He kept singing the song. [In this sentence, what is the part of speech of 'kept'? Is 'kept' a transitive verb? And is 'singing' the object of the
asked by rfvv 
English
Thank you for your help. I'd like to post questions related to prepositional phrases which sometimes ambiguous. 1. He has made coffee for all of us. 2. Please boil enough rice for ten people. 3. Won't you play a Beethoven sonata for me? 4. We must choose
asked by rfvv 
Math
"It takes Nadia 4/9 h to complete her Language Arts homework and 2/9 h to complete her mathematics homework. Which takes longer? How much longer?" I don't understand what I'm supposed to do... Somebody please explain >_
asked by min yoonghy 
English
1. What kind of house do you live in? 2. What kinds of houses do you live in? 3. What kind of houses do you live in? [#1 and #2 seems to be correct. What about #3? Here the singular noun 'kind' is used. Is this one correct?]
asked by rfvv 
English
1. To what extent is the nuclear risk acceptable? 2. The nuclear risk is acceptable ___ ______. [the structure is preposition + noun phrase] [Which words can we put in the two blanks?]
asked by rfvv 
MAth
The sides of a triangle are 15cm, 20cm, and 28cm. How long are the segments into which the bisector of the largest angle separates the opposite side?
asked by Raquel 
English
1. To what extent are you concerned? 2. I am concerned about the matter to the full. 3. I am concerned about the matter on a small scale. [Are the answers correct? The propositional phrases at the end are adverb phrases, aren't they?]
asked by rfvv 
physic
The vectors that are shown in the figure below. The magnitudes are F1 = 1.81f, F2 = f, and F3 = 2.00f, where f is a constant. Description of the figureOn the first quadrant the angle is 60 degree with F3 as the hypotenuse and on the second quadrant the
asked by joy 
Math
Given triangleABC proportion to trianglePQR. If AB=4cm, BC=6cm, AC=9cm, and QR=4cm, find the perimeter of trianglePQR. What is the ratio of similitude?
asked by Raquel 
Physics
A body weighing 980N is moving with constant speed of 5 m/s on a horizontal surface. The coefficient of sliding friction between the body and the surface is 0.25. What horizontal pull is necessary to maintain the motion?
asked by Anonymous 
Riddle
spend balance 10 40 10 30 10 20 10 10 10 0  50 100 now tell me how this possible
asked by Siri 
Math
What should be the value of x so that the ratios 4:10 and x:12 will form a proportion
asked by Raquel 
Geometry
Two sides of a triangle are 8cm and 12cm long, and the altitude to the 8cm side is 9cm. How long is the altitude to the 12cm side?
asked by Raquel 
social science
who kill to Mahatma Gahandi
asked by arnav 
Math
If a 6foot man has a shadow of 9 feet, how long a shadow would a 20foot pole have?
asked by Raquel 
Anatomy
Which cell is responsible for developing antibodies for a specific antigen? A. Helper T cells B. Plasma cells C. Memory B cells D. Cytotoxic T cells B
asked by Dog 
Anatomy
Which of the following is a gas exchange region of the lungs? A. trachea. B. terminal bronchiole. C. respiratory bronchiole. D. mainstream bronchus. C
asked by Dog 
math
The length of a rectangular room is two feet less than three times its width. The area of the rectangle is 176 square feet. a) Write an algebraic equation to model this problem. b) Solve the equation to find the dimensions of the rectangle.
asked by Aspen 
Science
1969?????/
asked by Momo