Questions Asked on
October 1, 2007

Science (big idea of energy)
What is the big idea of energy????? It says : for level 6: "Explained the reaction using the big idea of energy" what does it mean by the big idea of energy????
asked by person 
Chemistry
How many kilograms of chlorine are in 30kg of each of the following chlorofluorocarbons (CFC's)? CF2Cl2 in kg's; CFCl3 in kg's; C2F3Cl3 in kg's?
asked by leo 
CHEM
A particular coal contains 2.55% sulfur by mass. When the coal is burned, it produces SO2 emissions which combine with rainwater to produce sulfuric acid. Determine how much sulfuric acid (in metric tons) is produced by the combustion of 1.1 metric ton of
asked by DD 
chem
Question: The American Dental Association recommends that an adult female should consume 3.0mg of fluoride (F) per day to prevent tooth decay. If the fluoride is consumed as sodium fluoride (45.24% F), what amount of sodium fluoride contains the
asked by leo 
Chemistry
Zn+ 2HCl > ZnCL2+h2 what volume of hydrogen at stp is produced when 2.5 of zinc react with an excess of hydrochloric acid
asked by Tyneice 
chemistry
how many oxygen atoms are in 1.60g of quartz  SiO2? how do you figure out atoms to grams and visa versa? the weight of 1 SiO2=60.0848g/mol. please help
asked by leo 
Chemistry
2 HCl (aq) + Ba (OH2) (aq) > BaCl2 + 2 H20 (l) deltaH = 118 kJ Calculate the heat when 100.0 mL of 0.500 M HCl is mixed with 300.0 mL of 0.100 M Ba(Oh2). Assuming that the temp. of both solutions was initially 25.0 degrees C and that the final mixture
asked by Jake 
precalc
a farmer wants to make a rectangular enclosure using a wall as one side and 120 m of fencing for the other three sides. a) express the area in terms of x and state the domain of the area function b)find the value of x that gives the greatest area. my
asked by INEEDHELP!!! 
CHEM
How do I work the following question? I found the amu of CaCO3=101.0872g/mol; 2HCL=72.92128g/mol; H2O=18.1582g/mol;CO2=44.0098g/mol; and, CaCl2=110.9834g/mol. You carefully weigh out 10.00g of powder and add it to 40.50g of solution. You notice bubbles as
asked by d 
Economics
As price falls along the elastic portion of a linear demand curve, _______ decrease while _______ increase. Answers. A. only price; quantity demanded , consumer surplus, and consumer expenditures B. consumer surplus and price; quantity demanded and
asked by cymber 
CHEM
A 5.00 g sample of Al pellets (specific heat = .89 J/g degrees c) and a 10.00 g sample of Fe pellets (specific heat = .45 J/g degrees c) are heated to 100.0 degrees C. The mixture of hot Fe and Al is then dropped into 97.3 g of water at 22.0 degrees C.
asked by Charlie 
CHEM
A 5.00 g sample of Al pellets (specific heat = .89 J/g degrees c) and a 10.00 g sample of Fe pellets (specific heat = .45 J/g degrees c) are heated to 100.0 degrees C. The mixture of hot Fe and Al is then dropped into 97.3 g of water at 22.0 degrees C.
asked by Charlie 
science
were doing simple machines and on my paper it shows a door knob What simple machine is that ( lever,wedge etc.) And my sec que it also shows scissors what simple machine is that?
asked by elise 
mathematics 1
At a party each person is to be served 1/4 of a pizza. how many people can be served from 8 pizzas?
asked by Anonymous 
mathematics 1
At a party each person is to be served 1/4 of a pizza. how many people can be served from 8 pizzas?
asked by Anonymous 
Algebra
Find two positive real numbers that differ by 1 and have a product of 1.
asked by Lizzy 
ScienceChemistry
A 5.00 g sample of Al pellets (specific heat = .89 J/g degrees c) and a 10.00 g sample of Fe pellets (specific heat = .45 J/g degrees c) are heated to 100.0 degrees C. The mixture of hot Fe and Al is then dropped into 97.3 g of water at 22.0 degrees C.
asked by Niclas 
Managerial Economics
If the price of computers falls 6 percent during a period when the level of average prices falls 12 percent, the relative price of computers compared with other goods: a) Stays the same. b) Increases. c) Decreases. d) More information is required to answer
asked by Shekhar 
Social Studies
What was the purpose of the Seven Years’ War? What effects did it have on the(American)colonies?
asked by Bri 
physics
If a car is accelerating downhill under a net force of 3,674N, what force must the brakes exert to cause the car to have a constant velocity?
asked by steve 
Economics
Suppose that the average earnings for high school graduates is $25,000, the tuition, fees, and books for typical year of college total $10,000 and that a college degree takes 5 years. a) How large must the present value of the increment to earnings from
asked by Ryan 
Chemistry
My question is very simple Why do metals when react with oxygen are called oxides like " magnesium oxide" whereas non metals reacting with oxygen become dioxides like "carbon dioxides" , note that the two react with oxygen which has 2 molecules
asked by Gap 
science
Please, where would decomposers go on a food web? I was thinking about putting them at the top and having all of the consumers' arrows point to them and then have an arrow pointing from the decomposers to the producers because don't decomposers decompose
asked by Lynus 
Algebra
A homeowner wishes to insulate her attic with fiberglass insulation to conserve energy. The insulation comes in 40cm wide rolls that are cut to fit between the rafters in the attic. If the roof is 6 m from peak to eave and the attic space is 2 m high at
asked by Micha 
Quanitive Methods
A car rental company has $540,000 to purchase up to 25 new cars of two different models. One model costs $18,000 each and the other model costs $24,000 each. Write a system of linear inequalities to describe the situation. Let x represent the first model
asked by Tam 
Math
(Preferably answered by tomorrow night  that's plenty of time.) Ray OB is the bisector of angle AOC and ray OC is the bisector of angle BOD. m of angle AOC = 60. Find m of angle COD. *m means "measure" Write a proof in twocolumn form. Given: ray DC is
asked by Rodrigo 
chem
A particular coal contains 2.55% sulfur by mass. When the coal is burned, it produces SO2 emissions which combine with rainwater to produce sulfuric acid. Determine how much sulfuric acid (in metric tons) is produced by the combustion of 1.1 metric ton of
asked by DD 
Biology
What will happen when deionized water is added to red blood cells and then left to sit for 15 minutes? Will the blood cells mix with the water immediately and make a paler solution or will they be more dense than the water and sink to the bottom?
asked by Ejda 
physics
If a car travels westward with a constant velocity of 20 m/s, what is the net external force acting on it?
asked by Steve 
HELP PLEASE
the wind blowing on a vertical surface varies jointly as the area of the surface and the square of the velocity. if a wind of 40 mph exerts a force of 50 pounds on a surface of 1/2 square foot , how much force will a wind of 80 mph place on a surface of 2
asked by Katy 
Algebra
The lesser of two consecutive even integers is 10 more than onehalf the greater. Find the integers.
asked by Sara 
mathcalculus
Hi i've been struggling over this question for a while. Can anybody help me with this? A body's velocity at the time t sec is v = 2t^3  9t^2 +12t  5 m/sec. Find the body's speed each time the acceleration is zero. ________________________________ What i
asked by manny 
Math
Kevin's wife picks him up after work every day at 5:30 pm. One day, he leaves at 4:58 pm, and starts walking home. She pick him up along the way , and when they get home, he notices that they saved four minutes. How long did Kevin walk? :)
asked by Chris 
Algebra
The lesser of two consecutive even integers is 10 more than onehalf the greater. Find the integers.
asked by Sara 
physics
Can Newton's be negative?
asked by Stumped Student 
Physics
A bike rider accelerates constantly to a velocity of 8.0 m/s during 4.2 s. The bike's displacement during the acceleration was 19 m. What was the initial velocity of the bike?
asked by Lee Kite 
Physical Science
On a worksheet labeled "Using The Balance"... The instructions are "The following balances measure mass is grams. What masses are shown on each of the following balances?" There are ruler balances on the work sheet with 3 lines of numbers and balance marks
asked by Meg 
math
Suppose that the average earnings for high school graduates is $25,000, the tuition, fees, and books for typical year of college total $10,000 and that a college degree takes 5 years. a) How large must the present value of the increment to earnings from
asked by Ryan 
algebra
sorry...I have alot of homework and these are afew questions i don't understand. please see last post thank you
asked by pace 
PreAlgebra
help me calculate this  my 6th grade nephew has this question for homework and I'm at a loss. The combined age of 2 people is 91. Person A is two times as old as Person B was when Person A was as old as Person B is now.
asked by Tania 
Calculus
Harry has 3 sisters amd 5 brothers. His sister Harriet has a S sisters and B brothers. What is the product of S and B? (A) 8 (B) 10 (C) 12 (D) 15 (E) 18
asked by Matt 
mathematics 1
A metal plate containing 3/4 square foot of material is divided into six equal parts. how much material (in square feet) does each part contain?
asked by Anonymous 
mathematics 1
What is fourninths of 81/144 square feet?
asked by Anonymous 
mathematics 1
A piece of wire 27/32 inch in length is cut into 3 equal pieces. how long is each piece?
asked by Anonymous 
algebra 2
write an expression that models the sum of your earnings for three weeks and Rich's earnings for two weeks if you each work (r) hours per week and Rich receives $15 in tips per week. Simplify the expression.
asked by james 
Business
What are the strategic,tactical and operational objectives for 1.Finance 2.Marketing 3.Production 4.Assets 5.Purchasing/ Stock 6.Housekeeping 7.Human Resources 8.Administration 9.Public Relations 10.Management That is when starting a business
asked by Ntando 
science
select one region of the world and identify at least two serious environmental problems, such as soil degradation, air or water pollution, pesticide misuse, overpopulation, wildlife extinction or threatened biodiversity, and deforestation, that impact this
asked by Bruce 
Earth Science
Do the Hawaiian islands appear to be the same age or are they older at one end of the chain or another?Explain. I know the islands aren't the same age but I don't know how to tell which end of the chain has older islands.
asked by Camron 
math
assign one number from 0,2,3,4,5,6,7,8,9 to each letter in PACIFIC, BALTIC and ARTIC so that PACIFIC + BALTIC + ARTIC = CCCCCCC. What is the value of PACIFIC
asked by Steve 
history
i am an eighth grader and i need help because we have to write about how there is a loyalist anda patriot and how they are arguing of why they should have a war and why they shouldnt and also why they should declare independence? but it has to include the
asked by kim 
English
Hi, I have to write a poem in the style of Arthur Rimbaud's "Delirium II: Alchemy of the Word". Is there any websites that can help me with this? Any Tips? Thanks
asked by Marie 
Physics
For a question in physics... I was told to draw a graph of vertical displacement, y, versus time, t, in 2sec increments from 0 to 1.8. What was given to me was: v_yo_= +10m/s v_xo_= +5m/s a_y_ = 10m/s^2 So I used the formula: y=vo+1/2at^2 I drew the
asked by Jenny 
Chem.
Why do metal oxides when dissolving in water make an alkaline solution? And Why nonmetal oxides dissolve in water and become acids ? Is this a concept that has to be learned or is there a rule or a defintion for it
asked by Saad 
personal essay
i finished writing my intro and i'm working on writing my second paragraph in which i have to narrate my story as if i was telling it to another person. Here I go: For eight years, i was born and raised in India. My family and i lived in an four story
asked by Anonymous 
Calculus
Four red balls and two white balls are placed in a jar. One ball is randomly removed and replaced with a ball of the other color. The jar is then shaken, and one ball is randomly selected. What is the probability that this ball is red? Express your answer
asked by Matt 
history
What did Chinise people eat in the past?
asked by Lolipop 
Economics
IF income was transferred from individuals with a low MPC to those with a high MPC, aggregate demand would: a) Increase. b) Decrease. c) Stay the same. d) Increase or decrease, but not because of the MPC.
asked by Prash 
georgia studies
what word fits these: .one whose occupation is survaying land .association of persons for a common benifit . a public offficer of a town or township responsible for keeping peace .to wander in search of food . sonmething that serves as a protective barrier
asked by Preston 
Algrebra
How do I simplify this: 3(4y)
asked by Mackenzie 
Algebra
3x3x+x3=2x1+2x1+2x
asked by Ashley 
algebra question
240 is the sum of two numbers in which the larger number is 6 less than twice the smaller number what are the two numbers
asked by AN 
Physics
X(t) = 5t^2 + 2t + 3 What are the units for 5? 2? 3?
asked by Hannah 
Studying tips. . .
This is a kind of general question, but I was wondering if you have any tips on successful methods of studying. Also, reducing test anxiety. . . =S Thanks! ~Lucy
asked by Lucy 
MAth
Solve... 2(10y) = 30 I got 25... but don't think its right
asked by Anonymous 
math
what is c equal to 4(1.5c + 6)  2c = 9
asked by meghan 
Physics
The acceleration due to gravity on the Moon is 1/6 of that of the Earth. Given the same initial velocity: How much higher will an object displace on the Moon? How much more time will it spend in the air?
asked by Hannah 
mathgeometry
a machinery belt runs around two wheels, crossing between them so that the larger wheel turns the smaller wheel in the opposite direction. the diametre of the larger wheel is 36cm, and the diametre of the smaller wheel is 24cm. What is the distance between
asked by Anonymous 
heat
A siler bar 0.125 meter long is subjected to a temperature change from 200 degrees celsius to 100 degrees celsius what willbe the length of the bar after the temperature change?
asked by lala 
Physics
During the time interval of 15 to 20 secs. The graph goes from 10 m/s to 4 m/s , what is the average acceleration of that time interval.
asked by Lee Kite 
Earth Science
Where are new volcanoes forming in Hawaii? I know the new volcanoe is Loihi but I'm not sure where it is forming.
asked by Camron 
Honoirs Algebra
Hello  I am afreshman & honors algebra is kicking my butt  I need to simplify the following (6c)(23c) can some on help
asked by Eddie 
english
how can miscommunication be effectively addressed or completely avoided?
asked by Anonymous 
Chemistry
Unfortunately I was hit by the sweep of illnesses going around due to changing whether and missed school today. Thus I missed the notes in Chemistry leaving me completely confuzzled about tonights homework on Dimmensional analysis or Unit Factoring. I
asked by Tammy 
Algebra I
Hi: I am looking for confirmation that I have done this problem correctly: 6(5r)=5r3 6+5r=5r3 6+3+5r=5r3+3 9+5r=5r 9+5r5r=5r5r 9=0
asked by Karrie 
CALCULUS  need help!
Determine the limit of the trigonometric function (if it exists). 1. lim sin x / 5x (x > 0) 2. lim tan^2x / x (x >0) 3. lim cos x tan x / x (x > 0)
asked by ac 
Chemis.
Hi my qestion is in the non metal oxides there is one exception that is the oxide of hydrogen,What do we call this oxide ? WHat is its pH? Will it be acidic like most other nonmetals reacting with water ?
asked by Mandch 
science
a hypothesis organize the state thethe problem choose a  test your write the
asked by polly 
Math repost for Andrea
math  Andrea, Monday, October 1, 2007 at 5:04pm how do yo use a protracter
asked by Ms. Sue 
english can someone help me please
i finished writing my intro and i'm working on writing my second paragraph in which i have to narrate my story as if i was telling it to another person. Here I go: For eight years, i was born and raised in India. My family and i lived in an four story
asked by Anonymous 
Social Studies
Compare the life of the Eastern Woodland Indians and the Southwest Indians.(food,homes,environment,clothes)
asked by Rascal 
History
What do the people of INDIA EAT IN THE PAST
asked by ISA556 
mathematics 1
How many cans each with a capacity of 3/8 gallons can be filled from 2 barrels of oil each containing 31 1/2 gallons?
asked by Anonymous 
mathematics 1
A line is 45/64 inch long. Find the length of a line 4/5 as long?
asked by Anonymous 
Math
1. I did it this way, but it doesn't check right 2(10y)=30 _ _ 2 2 (10y)=15 +10 +10 y = 25 Check: 2 (1015) = 30 30 is not equal to 30!!!
asked by Anonymous 
math
2.5+2.5 ________ 5 What does that mean someone please answer question
asked by Julie 
Alg. 1
A bridge in Japan is 7.6 miles long. How long would it take you to cross the bridge if you were walking at 4 mi/h?
asked by Lorexi 
sentence revision
As I was looking at the map on the screen and realized my destination of my new home was REACHING closer, the flight attendant’s announcement CAME on, “Ladies and gentlemen, we ask that you remain seated and fasten your seatbelt. We will be landing
asked by Anonymous 
Algebra
How do I work this correctly? I know the answer is 7 but I am doing something wrong.Here is what I have... x+ã(2x5)=10 x+ã(2x5)^2=10^2 x+2x5=100 3x5+5=100+5 3x=105 x=35 PLEASE HELP!
asked by Micha 
Science repost for Kelly
Science  Kelly, Monday, October 1, 2007 at 7:49pm In a grain of pollen, what is thefunction of the sperm cell that doesn't join with an egg call?
asked by Ms. Sue 
Math
What is the probability of rolling a six with a standard die, six times in a row?
asked by Kristen 
Calculus
If a, b, and c are digits for which 7 a 2 4 8 b ========= c 7 3 then a + b + b = _______ (A) 14 (B) 15 (C) 16 (D) 17 (E) 18
asked by Matt 
Psychology
What are the strengths of correlation research, observational/descriptive research, and experiments?
asked by Chrissy 
banking
two words: aehoumncrrusse
asked by K 
4th grade math
How do I write an expression? Example:John starts with 37 marbles. He gives one marble to all the kids on his ball team and one to each of his 2 brothers. Please explain how I do this.
asked by hunter 
Computer Science
Describe, in detail, the job of the operating system. Include the major jobs and secondary jobs that increase performance. How do utility programs support the OS? In addition, give examples of various operating software, citing advantages and disadvantages
asked by missthang_79 
SPANISH HELP HELP
To cirle the indirect object pronouns and draw an arrow to the indriect objects they stand for. Es muy divertido comprar regalos para mi familia y mis amigos. I circled regalos and drew the arrow to mi familia y mis amigos QUESTION: is regalos circled or
asked by liz 
algebra question
What will it cost to tile a kitchen floor that is 12 feet wide by 20 feet long if the tile costs $8.91 per square yard?
asked by Anonymous 
Geometry
Write an equation for the line with the given slpe that contains the given point. Graph each line. 1. slope 2,(2,2)
asked by Denzel 
Math
You have the #s o,2,3,4,5,6,7,8,9 and each number represents a letter in the oceans  PACIFIC, BALTIC, ARTIC. If you add up the numbers your answer is the seven Cs or c,ccc,ccc. What is the value of PACIFIC?
asked by Steve 
biology
can you provide a simple explanation of how a cell fires or synapses
asked by kate 
science
What are compound and simple eyes?
asked by Bryan 
Physical Science
Need to know how to measure mass on a balance ruler printed on worksheet. It's getting late... HELP :(
asked by Meg 
algebra 1
If you add one third of a number to the number itself, you get 48. What is the number? ~Is 64 correct?
asked by nicole 
Business
Cash Flow and Profits: OnLine Retailer Temps Customers Statement; "Buy Now Pay 2008  Why Wait? With absolutely nothing to pay until may 2008. our Buy Now Pay Later Plan is the perfect way to afford whatever you want  Today!" Question; Offering customers
asked by sam 
spanish
To circle the indirect object pronouns and draw an arrow to the indriect objects they stand for. Es muy divertido comprar regalos para mi familia y mis amigos. I circled regalos and drew the arrow to mi familia y mis amigos QUESTION: is regalos circled or
asked by liz 
algebra
w+16+2w=4
asked by pace 
Math
Can you show me how to solve this problem? You have a die, what is the probability you will not get a six, six times in a row?
asked by Steven 
math
What is the probability of a die not coming up six, six times in a row? How do I solve that problem?
asked by Steven 
AP Lit (Help)
Think about the role of the money in a raisin in the sun how does affect each of the major characters? is abook called a raisin in the sun by Lorraine hansberry
asked by anonymous 
spanish
To circle the indirect object pronouns and draw an arrow to the indirect objects they stand for. Es muy divertido comprar regalos para mi familia y mis amigos. I circled regalos and drew the arrow to mi familia y mis amigos QUESTION: is regalos circled or
asked by liz 
3rd Grade Math
Rounding to the greatest number Question 21+34=
asked by Keaton 
Social Studies
Who settled Delaware?
asked by Rascal 
Algebra 1
HOW DO U SOLVE TWO STEP EQUATIONS????
asked by kylee 
social studies
what are the two areas of the radical republicans help independent black people
asked by cj 
Essay
I have written the first three paragrapsh of my essay. I was wondering if anybody wanted to edit it for grammar and stuff. Thanks. Famous Firsts Every person lives a life that is different from all others. In this life we each experience something for the
asked by Amanda 
History
what do China's people eat in the past
asked by Lolipop 
English
Im reading the story"white tigers" in the book warrior women and i don't know what this quote means" When i get hungary enough, then the killing and falling are dancing too."
asked by Maggie R 
Math
What is part and total number stories? 3rd grade
asked by Kenya 
A.P. U.S. History
What role did George Washington play in the 1750’s?
asked by KT 
math
write an expression to show 19
asked by jay 
Science
What are societal laws?
asked by Kiki 
english
Why did Ratcliffe replace the original president?
asked by nanaq 
Calculus
If 2 to the 1998 power  2 to the 1997 power  2 to the 1996 power + 2 to the 1995 power = k times 2 to the 1995 power, what is the value of k? (A) 1 (B) 2 (C) 3 (D) 4 (E) 5
asked by Matt 
Science
what does deposition mean?
asked by Dr. JoJo 
Calculus
If a, b, and c are digits for which 7 a 2 4 8 b =========
asked by Matt 
Calculus
If a, b, and c are digits for which 7 a 2 4 8 b =========
asked by Matt 
geography
after britain sent troops to boston to stop resistance to the townsedn acts, tensions exploded in the boston massacre of 1770 what was the effect?
asked by bob 
U.S. History
What types of changes were occurring in terms of education, law and politics in the American colonies in the 1700’s?
asked by Maiya 
geography
what do you see on the surface of the earth?
asked by kyra 
educational technology
what is the difference between a pamphlets, a brochure and a leaflets??? please cite an example for each (an image)...thanks a lot...
asked by klar maesen 
Econ
How's the Federal Budget Deficit related to trade imbalances?
asked by Prince 
Math
How to distribute 2529(t50)=19 and solve
asked by Anonymous 
science
how much water does the usa use yearly
asked by vince 
PreCalculus
How do I find f(g(x)) when there is a radical?
asked by Courtney 
biology
can you provide an explanation on how a "muscle tone" reflex happens?
asked by kate 
algebra 1
The sum of a number and 2/5 (two fifths) of itself is 56. What is the number? HOW IN THE HECK AM I SUPPOSED TO SET UP THIS EQUATION? PLEASE HELP... I AM DESPERATE!
asked by nicole 
mathematics 1
how long is 2/5 of 15/16inch?
asked by Anonymous 
French
How do you say "we watched the sunset" in French? Is it "nous avons regardé le coucher du soleil?" Merci!
asked by  
math
How do you graph polynomials?
asked by Sarah 
science
What are 4 basic needs of every organism
asked by donja 
ALGEBRA 1
How would you go about setting up the following word problem? If you add one third of a number to the number itself, you get 48. What is the number?
asked by nicole 
algebra
8m157m=5
asked by pace 
math
HELP!!! How do I solve the following: 3h + 2 for h =10
asked by stephanie 
algebra
4x7=x+8 4w19=w+2 8m90=757m 3(2m5)=9 4w+2(w5) 5(2x+8)=6x+32
asked by pace 
math
how d you turn the roman numeral number DCCXXXI into a regular number?
asked by fiona 
math
how d you turn the roman numeral number DCCXXXI into a regular number?
asked by fiona 
Math
how do you simplify and combine like terms for this 4(x+5)+3x squared+6(x+1)
asked by Matt 
Economics
An increase in the price of a good A.increases the opportunity cost of consuming the good. B. decreases the opportunity cost of conusming the good. C. does not effect the oppurtunity cost of consuming the good. D. increases the opportunity cost of other
asked by cymber 
Calculus
When Rachel divides her favorite number by 7, she gets a remainder of 5. What will the remainder be if she multiplies her favorite number by 5 and then divides by 7?
asked by Matt 
Mathematics 1
Find the L.C.D. of each of the following groups of fractions and then express the fractions of each group in terms of the L.C.D. of the group. 1/3, 3/5, 21/25, 13/15
asked by Anonymous 
Social Studies
Who settled Massachusetts?
asked by Rascal 
Social Studies
Who settled Rhode Island?
asked by Rascal 
Social Studies
Who settled Connecticut?
asked by Rascal 
Social Studies
Who settled New Jersey?
asked by Rascal 
Social Studies
Who settled Maryland?
asked by Rascal 
3rd grade math
The instructions are to Round each number to the greatest place. The add. 21+34=
asked by Keaton 
Chemisty
why do you use water in calorimeters?
asked by Kelly