a certain reaction has the following generaln form
74,413 results, page 96

Algebra
Eva invested a certain amount of money at 12% interest and $1500 more than that amount at 13%. Her total yearly interest was $800. How much did she invest at each rate? 
grade12 bio
Some genes are said to be “linked”. Explain this term and the implications it has as to the inheritance of certain traits. Provide 2 (human) examples of linked genes? 
math
During the dinner rush, a certain restaurant cooks about 25 pounds of spaghetti per hour. How many grams of spaghetti do they cook per second? 
Social Studies (Ms. Sue)
What are two inventions that made modern city life possible? I know one of the inventions are skyscrapers but I am not certain of the answer to the other one. 
Math
In a certain Library, there are r bookcases with s shelves in each book case. If a total of b books is to be distributed among the shelves, What is the number of books per shelf? a) b/rs b) rb/s c) rsb d) r/sb e) b/sr 
Math  Trig
The equation y = 20sin(0.5θ  2) + 40 models the monthly temp for a certain city. Use the equation to predict the temperature in the city during December. Thanks 
Chemistry #27
If He(g) has an average kinetic energy of 4410 J/mol under certain conditions, what is the root mean square speed of O2(g) molecules under the same conditions? 
math
A standard deck of 52 playing cards is placed facedown on a table.how many cards must you draw from the deck to be certain that you have a pair of the same value? 
statistics
From experience, an airline knows that only 80% of the passengers booked for a certain flight actually show up. If 8 passengers are randomly selected, find the probability that fewer than 7 of them show up. 
physics
A certain power plant puts out 520MW of electric power.Estimate the heat discharged per second, assuming that the plant has an efficiency of 34% 
chemistry
If He(g) has an average kinetic energy of 7590 J/mol under certain conditions, what is the root mean square speed of F2(g) molecules under the same conditions? 
chemistry
If He(g) has an average kinetic energy of 7590 J/mol under certain conditions, what is the root mean square speed of F2(g) molecules under the same conditions? 
Math; Please help
(Tell whether the 2 quantities vary together. Explain your reasoning.) The time it takes to travel a certain distance and the rate which you travel. Please help me! 
Science
If a certain spring stretches 9.76811 cm when a load of 17.9936 N is suspended from it, how much will the spring stretch if it is cut in half and 65.8458 N is suspended from it? Answer in units of cm. 
stats
the weights of the fish in a certain lake are normally distributed with a mean of 17 lb and a standard deviation of 12. if 16 fish are randomly selected, what is the probability that the mean weight will be between 14.6 and 20.6 lb? 
PHYSICS
A certain resistance thermometer at triple point of water is 152.0 ohms. What is the temperature of the system in degrees celsius when the resistance of the thermometer is 230.51ohms. 
Math
if the probability that an identified hurricane will make a direct hit on a certain stretch of beach is 0.20, what are the odds against a direct hit? 1 : 0.20 I :19 i think its like this way? 
College Chemistry
The specific heat of a certain type of cooking oil is 1.75 cal/(g·°C). How much heat energy is needed to raise the temperature of 2.83 kg of this oil from 23 °C to 191 °C? 
math
A lends Rs.2,500 to B and a certain sum to C at the same time at 7% p.a. simple interest. If after 4 years, A altogether receives Rs.1,120 as interest from B and C, then the sum lent to C is: 
math\
Michael invested a certain amount of money at 3% interest and $750 more than that amount at 5%. His total yearly interest was $157.50. How much did he invest at each rate? 
Chemistry
A single dose of a certain antacid contains 250. mg of Mg(OH)2 and 300. mg of CaCO3. How many mmol of H+ can be neutralized by one dose of this antacid? Do not include units in your answer 
Physics
A balloon is filled with a gas which is lighter than air.it is observed to rise in a air upto a certain height. State a reason why the balloon stops rising. 
Math
A certain person burn 6.5 calories per minute while walking how many calories will be burned if that person wants for 3 hours round your answer to the nearest tenth 
College algerba
The halflife of a certain radioactive element is about 1500 years. After 2800 years, what percentage P of a sample of this element remains? 
Physics
A certain material has a work function 0 (angle sign) = 1.5 eV. a)what is the frequency of a photon that ejects an electron from his material, giving the electron an energy of 1.6 eV? b)what type of EM radiation is this? 
physics
a body is thrown vertically upward fron a certain height of pole and their velocity is 100m/s and then it returns to the ground in 6second then find the height of the pole ? 
math
The difference between the simple interest and compound interest on a certain sum for 2 years at the rate of 5% per annum is rupees 205.find the sum. 
Informal Logic 103
Write two arguments in English, one in the form of modus ponens and one in the form of modus tollens. Then, write the arguments in symbols using sentence letters and truthfunctional connectives. (If your computer does not have all the symbols needed, use some other symbol you... 
spanish
1). What is a "cognate"? 2). Why is learning cognates the most efficient and rapid way to learn to read, speak, increase vocabularly and get high marks on tests in a foreign language? Bonus question: What is the relationship between "cognates" and "etymology"? Definition of ... 
Math (ratios)
At a certain college, the ratio of the men to women is 5:4. If there are 2800 men, how many women are there? 
algebra
how would i figure out a problem like: a^2 + b^2 = 5^2 is there a certain method to figure this out? 
Physics
A certain spring stretches 6 cm when a load of 30 N is suspended from it. How much will the spring stretch if 41 N is suspended from it? 
grammar
Which sentence is correct I feel that us students.... or would it be I feel that we students... I think its us but I am not certain 
College Math
Suppose the supply and demand for a certain videotape are given by: Supply: p=1/3q^2 Demand: p=1/3q^2+48 
chemistry
'the vapour density of certain gas x is 4 times that of y the molecular mass of x is m the molecular mass of y is ?' 
math
A certain computer can perform 10^5 calculations per second. how many calculations can it perform in 10 seconds 
Algebra
I have an assignment that asks me to write an equation in slopeintercept, pointslope, or standard form for the information given and to explain why the chosen form would be best. Below is the information given. 1. passing through (1,4) and (5,2) 2. that has slope 2 and y ... 
Chemistry
A XXg sample of methane, CH4, is mixed with YY atm of O2 (an excess) in a VV L combustion chamber at 125.0°C. The combustion reaction to CO2 and H2O is initiated and the vessel is cooled back to 125.0°C. What is the final pressure in the combustion chamber assuming the ... 
chemistry
Which of these elements has the electonic configuration of The energy absorbed or released when an electron is added to a gaseous atom is known as Which of these elements behave partly as an alkaline metal as well as a halogen element? Hydrogen can be obtained economically as ... 
finance, please help
1. Calculate the present value of an investment given the following information: (a) Years—20, (b) Rate—10%, and (c) Future Value—$20,000. 2. Calculate the future value of an investment given the following information: (a) Years—10, (b) Rate—5%, and (c) Present Value... 
biology
I need to come up with a really good hypotheses for Why do certain animals eat more at certain temperatures than others or than they do at other temperatures? I just don't know what a good hypotheses is but here are some examples of bad ones: An organism's metabolism is ... 
algebra
Your company would like to know how sales levels affect profits. If too few items are sold, then there is a loss. Even if too many items are sold, however, the company can lose money (likely because of low pricing). It is good to know how many items can be sold for there to be... 
Calculus
There was a typo in last question A company estimates that the cost ($) of producing x units of a certain product is given by: C= 800 + .04x + .002x^2 Find the production level that minimizes the average cost per unit. 
MATH
The equation y=12x+2 shows the total cost for ordering tickets on the phone for a certain outdoor concert. Tickets are $12 each, and there is a onetime service fee of $5. Can the slope of this line be thought of as a rate? Explain. 
math
the equation y=12x+5 shows the total cost for ordering tickets on the phone for a certain outdoor concert. Tickets are $12 each and there is a one time service fee of $5. Can slope of this line be thought of as a rate? explain 
math
tell wether the event is ibest described as impossible, unlikley, likley to occur half the time, quite likley, or certain, explain yor resoning. the probability of rain is 80%, or 0.8 how can i find the answer to this? 
physics
A series of waves traveling at 200 m/sec are being generated by a 100 Hz source. A point at the very top of the crest of a certain wave is ____ meters from a corresponding point 3 crests away. 
algebra 2
Solve the problem. The growth in the population of a certain rodent at a dump site fits the exponential function A(t)= 164e0.032t, where t is the number of years since 1975. Estimate the population in the year 2000. 
Chem
the standard molar enthalpy and entropy of the denaturation of a certain protein are 512 kj/mol and 1.60 kj/K. mol, respectively . comment on the sign s and magnitudes of these quantities, and calculate the temperature at which the process favors the denatured state 
Statistics
suppose u are playing a game of chance.If you bet $4 on a certain event,you will collect $148 (including your $4 bet) if you win.Find the odds used for determing the payoff.Also post How did you got the answer 
maths
The lifetime in hours of a certain make of batteries follows a normal distribution with mean 160 and standard deviation 30. Calculate the interval, symmetrical about the mean within which 75% of the battery lifetimes lie. 
SCIENCE
20. A horticulturist wants to plant that produces flowers with a certain size color and fragrance but is not aware of any one plant having all of these traits. The quickest way she could achieve her goal would be to apply the process of . 
Hist
The average Northerner lost interest in reconstruction once it became reasonably certain that the former slaves: a) had economic decurity b)were guaranteed the vote c) would not be reenslaved d)were guaranteed social equality 
music
what is the definition for bimary form in music???????????????????????????? If you truly mean bimary, here are the results I got when I searched in Google: http://www.google.com/search?q=music+bimary+form&start=0&ie=utf8&oe=utf8&client=firefoxa&rls=org.mozilla:enUS:... 
Accounting
Costs can be classified into two categories, fixed and variable costs. These costs behave differently based on the level of sales volumes. Suppose we are running a restaurant and have identified certain costs along with the number of annual units sold of 1000. Item: Raw ... 
geology (very urgent)
i have an assignment that i have to email back my friend on identifying minerals. simple enough the trouble is how do i write this assignment in "EMAIL FORM" could you helped me please very please...i already finished my assignment now i just have to turn the write up in the ... 
geology (VERY X3 URGENT)
i have an assignment that i have to email back my friend on identifying minerals. simple enough the trouble is how do i write this assignment in "EMAIL FORM" could you helped me please very please...i already finished my assignment now i just have to turn the write up in the ... 
Math
Asked to simplify the expression sin(180Ã¢Ë†â€™ÃƒÂ¨), Rory volunteered the following solution: sin(180Ã¢Ë†â€™ÃƒÂ¨) = sin 180Ã¢Ë†â€™sin ÃƒÂ¨, and, because sin 180 is zero, it follows that sin(180Ã¢Ë†â€™ÃƒÂ¨) is the same as... 
science
1. The images above show particles in a medium. Which of the following shows the worst conditions for a sound wave travel? A B C D is the answer A? Which of the following correctly describes a radio wave? A long wavelength and high frequency B long wavelength and low frequency... 
CHEMISTRY
A STUDENT STUDYING THE FE+3 HSCN equilibrium put into a test tube 10.00ml of 2.00 x 103 M Fe(NO3)3 with 10.0 mL of 2.00 x 103 M HSCN.THE H+ in the resulting solution was manteined at 0.500.By spectrophotometric analysis of the equilibrium solution, the equilibrium ... 
Math
the only perfect number of the form x(n) + y(n) A perfect number is an integer that is equal to the sum of its positive divisors (not including itself). Therefore, 6 is a perfect number, since its positive divisors are 1, 2, and 3 and 1+2+3 = 6. 28, 496, and 8128 are also ... 
Science please help
Draw Bohr diagrams of a magnesium atom bonding with fluorine atoms. Draw atoms then electron transfer and finally the ions that form. What type of bonding occurs? Draw Bohr diagrams of 2 hyrdogen atoms bonding with an oxygen atom by sharing electrons to form a water molecule. ... 
Algebra
Need help with two questions. I've been stuck on them for a while now. 1) Find a general form of an equation of the line through the point A that satisfies the given condition. A(−2, 5) slope 3/4 2)Find a general form of an equation of the line through the point A that ... 
Government
True or false The heads of the executive departments form the Executive Office of the president. I think it's false. Am I right? A president's threat to grant amnesty can sometimes convince Congress to make changes in a bill to satisfy the President's objections. As the nation... 
business
I am having trouble picking two oppossing views in the world today. HEre is the assignment. Any suggestions will help. Conduct a search through the Opposing Viewpoints Resource Center database in the University Library. From the list of popular searches, select two topics that... 
Chemistry
At room temperature, 80.0 ml of 0.125 M AgNO3(aq) and 20.0 ml of 0.500 M Fe(NO3)2(aq) are mixed together, generating the following equilibrium system Ag+ (aq) + Fe2+(aq) Ag(s) + Fe3+(aq). At equilibrium, the concentration of Fe3+ is 0.00505 M. (a) (4 pts) Calculate the initial... 
8th grade history
1. which of the following helped to increase and improve agriculture in Georgia after the revolutionary war 2. which of the following was an effect of new advancements in transportation 3.which of the following was an effect of new advancements in transportation 
Chemistry
What are the five(5) indications that show that a reaction has taken place? Thanks 
Bio lab question 2
What does adding an acid to an enzyme do to a reaction? 
science
write the balaced halfreaction for the conversion of Fe(s) to Fe2+(aq) 
chemistry
write the balanced half reaction for the conversion of Cl2(g)to Cl(aq) 
chemistry
what type of reaction is 2KCLO3+heat2KCL+3O2 
chemistry
The equation Mg(s) 2HCl(aq)MgCl2 (aq) H2(g) is an example of which type of reaction? 
US history
what was the parliament's reaction to the Boston Tea Party of 1773 ? 
science
what is the difference between a chemical reaction and physical separation. 
science
how the particals behave in the reaction between iron and suiphur 
chem
Why do we have to remove air bubbles in a chemical reaction? 
AP Chemistry
What is the redox reaction of (i don't understand how to do this): MnO4(aq) + H2O2(aq) > Mn2+(aq) + O2(g) 
economics
can one determine that a project was successful by the customers reaction? 
12th grade
5 factors that affect the rate of a chemical reaction 
English
Contrat the reaction of Hamlet, Laertes to their father's death. 
organic chemistry
how do you increase the yield of triphenylmethanol in a grignard reaction? 
organic chemistry
how do you increase the yield of triphenylmethanol in a grignard reaction? 
Chemistry
Classify each reaction and balance the equations. Al(OH)3 ==> Al2O3 + H2O 
chemistry
classify each reaction and balance the equation Al(OH)3> Al2O3 + H2O 
chemistry
G naught doesnt tell you whether the reaction is spontaneous or not 
chemistry
n the reaction 2CO(g) + O2(g) ® 2CO2(g) what is the correct expression of the rate? 
Chemistry
NH4+ + OH NH3 + H2O What is the K for the reaction above in terms of Ka's, Kb's, Kw etc.? 
Chemistry
H + C6H5CH2COOH = H2O + C6H5CH2COO What is the K for the reaction above in terms of Ka's, Kb's, Kw etc.? 
Chemistry
OH + C6H5CH2COOH H2O + C6H5CH2COO What is the K for the reaction above in terms of Ka's, Kb's, Kw etc.? 
chemistry
If a reaction mixture contains 28 of , 150 of , and 36 of , what is the limiting reactant? 
Chemistry
What is the balanced equation for the reaction of 3.000 g of K2CO3 and HCl? 
chemistry
how can AgCl(s) be dissolved completely? write an equation for the reaction 
chem
is An antacid neutralizes stomach acid. a chemical reaction? 
Chemistry
How many grams of Ni(OH)2 are produced from the reaction of 45.0mL of 1.75 M NaOH solution? 
chemistry
equation of the reaction of hydrochloric acid and iron sulphide 
college chemistry
How many grams of Mg(OH)2 can be prepared from the reaction of 20.0g of Mg3N2 with 10.0g of H2O? 
Chemistry
What is the theoretical yield of PI3 from the reaction of 27.0 g of P and 68.0 g I2? 2P(s)+3I2(s) 2PI3(s) 
chemistry
If you have 64.3 g NH3, how many grams of F2 are required for complete reaction? 
Chemistry
What is the rate law of the reaction 2NO2 gives N2O4?