# i need the exat percentage of nitrogen in magnesium nitride

6,975 results, page 43
1. ## math

If Someone estimatesthat their book bag weighs 8.5 pounds and actually weighs 11 pounds what is the percentage error

asked by Jack on March 5, 2015
2. ## physics

A roof rises 1.7 feet vertically and 13.3 feet horizontally. What is the grade of the roof in percentage

asked by Kelly on December 12, 2011
3. ## math

In a school of 960 pupil,48 were absent on a day. Calculate the percentage absent that day?

asked by Nana on July 3, 2016
4. ## MATH

A photograph has been enlarged to three times its previous size. By what percentage has the size of the photograph increased?

asked by bRIAN on March 9, 2014
5. ## Maths

A theatre has 500 seats.385 are occupied.write down the percentage of seats that are occupied

asked by Anonymous on February 7, 2017
6. ## math

there are 100 apples in a bag and 43 are red and the rest are green, what percentage of the apples are green

asked by raven on October 2, 2012
7. ## Algebra

Share your answer: there are 80 students in park 12 playing tennis what percentage is not playing tennis?

asked by G on August 18, 2014
8. ## Physical Science

If student A measures a laptop computer to be 37.2 cm long, and student B measures 36.7 cm, what is the percentage error?

asked by Rashida on August 25, 2014
9. ## psychology

In a normal distribution, what percentage of scores will fall between one standard deviation below the mean and one standard deviation above the mean?

asked by alex on April 18, 2017
10. ## math

If Deborah ate five pieces of a pizza that was cut into 16 pieces, what percentage of the pizza did she eat?

asked by Jenny on April 5, 2013
11. ## Maths

If I have the mean and standard deviation of data how do I work out the percentage of data within 1,2,and 3 standard deviations of the mean? :) any help would be much appreciated thanks

asked by Zani on October 22, 2011
12. ## Statistic

At one college, GPA's are normally distributed with a mean of 2.7 and a standard deviation of 0.5. What percentage of students at the college have a GPA between 2.2 and 3.2?

asked by Irene on May 31, 2013
13. ## math

The price of a car has been reduced from \$11,000 to \$8,690. What is the percentage decrease of the price of the car?

asked by cheyanne on February 21, 2014
14. ## Math

if i have read 150 pages of a 240 page book, what percentage of the book have I read?

asked by John on December 11, 2015
15. ## chemistry

what is the percentage yield of c2h2 with 50g of cac2 reacts with water to yield 13.5g of c2h2

asked by francis on February 17, 2016
16. ## Math

There was 30 students in the class 24 of these studen pass the test what percentage of these students passed their test

asked by Luna on April 24, 2017
17. ## science

how do u calulate the percentage composition of NO2 and mgcl2 You don't. There is no NO2 in MgCl2 which should be obvious.

asked by kate on March 18, 2007
18. ## math

A photograph has been enlarged to three times its previous size. By what percentage has the size of the photograph increased?

asked by Anonymous on October 11, 2015
19. ## Mathematics

A dealer gains a selling price of 4 watches by selling 20 watches. What is the percentage of profit?

asked by A GOODSTUDENT on May 23, 2017
20. ## chemistry

what mass of Nacl and H2o are present in 160.0g of 12 mass percentage solution of Nacl?

asked by nketo w on February 25, 2011
21. ## chemistry

A 1.25g sample of dry ice is added to a 750ml flask containing nitrogen gas at a temperature of 25.0 C and a pressure of 725mmHg. The dry ice is allowed to sublime (convert from solid to gas) and the mixture is allowed to return to 25.0C. What is the total

asked by Anonymous on October 21, 2010
22. ## chemistry

A 1.25g sample of dry ice is added to a 750ml flask containing nitrogen gas at a temperature of 25.0 C and a pressure of 725mmHg. The dry ice is allowed to sublime (convert from solid to gas) and the mixture is allowed to return to 25.0C. What is the total

asked by Anonymous on October 20, 2010
23. ## physics

определить кинетическую энергию, приходящуюся в среднем на одну степень свободы молекулы азота при температуре Т=1000 К, а также

asked by lisa on May 29, 2011
24. ## Intro to Ecology

Global estimates of denitrification in terrestrial ecosystems vary widely but are of the order 200*102 g/yr, and more than half of that total occurs in wetland ecosystems. If restoration results in an increase in wetland area by approximately 25%, it would

asked by Jean on October 20, 2015
25. ## physics

При 0° С молекулы кислорода имеют среднюю скорость 460 м/с. Какова при этой температуре средняя скорость молекул азота? At 0 ° C, oxygen molecules have an

asked by lisa on May 29, 2011
26. ## Chemistryy.

Some mole problems! Which quantity of neon may be represented by the symbol Ne? A) 1 gram B) 4 liters C) 6 x 1023 atoms D) 2 moles A sample of nitrogen containing 1.5 x 1023 molecules has the same number of molecules as a sample containing A) 1.0 mole of

asked by Jenny on June 7, 2011
27. ## college Chemistry

Decide if the molecule has a dipole moment, (if the molecule is polar) as follows: a) dipole (polar molecule) b) no dipole (non-polar molecule) c) ionic (not a molecule) d) super covalent e) none of the above 11.) CsF 12.) nitrogen 13.) Methane 14.)

asked by Jay on December 6, 2010
28. ## chem

what is a liquid solution and a gaseous solution? Do you intend to ask us to name a liquid solution and a gaseous solution. One example of a liquid solution is vinegar. It is acetic acid in water. That is a solution of two liquids. An example of a gaseous

asked by revie on May 15, 2007
29. ## Chemistry

Write a balanced formula equation with phase indicators: Strong heating of copper(II) nitrate trihydrate produces copper (II) oxide, nitrogen dioxide, oxygen gas, and water (The part I'm confused about is how to write the molecular formula for copper (II)

asked by Kyla on November 16, 2014
30. ## Chemistry

Which atom has the smallest valence p atomic orbital? -Carbon -Nitrogen -Sulfur Why? A. That atom has the highest electronegativity. B. That atom has the fewest number of electrons. C. That atom does not have electrons in p orbitals. D. The valence

asked by Pooya on April 19, 2012
31. ## chemistry

Dinitrogen tetroxide decomposes to form nitrogen dioxide in a second order reaction: N2O4(g)-> 2NO2(g) At 400K, the rate constant for this reaction has been measured to be 2.9x10^8 L/mol*s.suppose 0.222 mol of N2O4(g) is placed in a sealed 41.7L container

asked by Anonymous on April 23, 2014
32. ## Chemistry

NOCL(g) decomposes to from nitrogen monoxide gas and chlorine gas. The equation is 2NOCL ----> 2NO +Cl2 At a certain temperature the equilibrium constant is 1.60 x 10^-6. Calculate the equilibrium concentrations of all gases if 0.800 moles of NOCL are

asked by Maeve on May 19, 2013
33. ## Physics

Many people mistakenly believe that the astronauts that orbit the Earth are "above gravity". Calculate g for space-shuttle territory, 206 kilometers above the Earth's surface. Earth's mass is 6e24 kg, and its radius is 6.38e6 m (6380 km). Your answer is

asked by Kevin on March 9, 2016
34. ## physics

A pitcher can throw a ball towards the home plate at 120km per hour. When thrown, the ball curves. The curveball has a spin of 1250rpm. The ball has a mass of 100g and a radius of 2.5cm Calculate the percentage of total KE that is in rotational KE

35. ## Chemistry

Can zinc (Zn) react with one of these: Al(NO3)3 aluminum nitrate Mg(NO3)2 magnesium nitrate Zn(NO3)2 zinc nitrate Cu(NO3)2 copper nitrate?

asked by Ana on March 7, 2010
36. ## corporate finance

1)You have just turned 30 years old, have just received your MBA, and have accepted your first job. Now you must decide how much money to put into your retirement plan. The plan works as follows: Every dollar in the plan earns 7% per year. You cannot make

asked by SHALLY on April 22, 2010
37. ## Physics

During 2004, japanese scientists successfully tested two solar sails. One had somewhat complicated shape that we shall model as a disk 9 m in diameter and 7.5 um thick. The intensity of solar energy at this location was about 1400 W/m ^2. (a) What force

asked by J on March 31, 2008
38. ## planning & implementing for the environment

After establishment of your child care center, equipment and supplies will comprise what percentage of your annual operating budget? A. 0.5 percent to 1.5 percentB. 1.5 percent to 3 percentC. 5.5 percent to 7 percentD. 3 percent to 5.5 percent B

asked by Amanda on October 20, 2014
39. ## nutrition

Choose three nutritional labels off of food packaging. Explain the ingredients and how to read each label in terms of calories, protein, carbohydrates, fats, and percentage of daily recommended dietary value. Respond in a short essay format of 200 words of

asked by Nichole on October 25, 2012
40. ## Science

Which of the following best describes the dependent variable in an experiment? A- the variable that is measured B- the variable that is manipulated C- the variable that you can see D- the variable that is most common (My guess is A) Photosynthesis is the

asked by Skye on September 20, 2014
41. ## Chemistry

URGENT!!!!! 4 questions total! 1. .0025 M tartric acid completely reacts with .0030 m of al bicarbonate if .913 l of co2 forms at 298 k with pressure of 1.4 ATM how much base used? 2. 3.1 x 10^23 molec of .0035 m hydriodic acid reacts with 25 g of

asked by Danny on May 21, 2012
42. ## statistics

8) Why did you choose this figure as the warranty? What percentage of bulbs would need to be replaced if you chose a warranty of 7000 or 7500? Justify your answer statistically. How do you explain this to the board of directors, marketing people and

asked by maria on March 4, 2013
43. ## chemistry

3.0g of a mixture of potassium carbonate and potassium chloride were dissolved in a 250cm3 standard flask. 25cm3 of this solution required 40.00cm3 of 0.01M HCl for neutralization. What is the percentage by weight of K2CO3 in the mixture? (K = 39, O = 16,

asked by kelly on June 28, 2018
44. ## chemistry

6.0g of impure and hydrous Na2SO4 were made up to 1dm^3 of solution neutralize 22.20cm^3 of 0.1mol/dm^3 of HCL.calculate: a)concentration of Na2CO3 in mol/dm^3. b)concentration of Na2CO3 in gram/dm^3. c)percentage purity in carbon.

asked by faith on January 28, 2012
45. ## financial management

I have to do a revenue and expense statement and balance sheet for 2 years I have find the dollar differences and the percentage rate. My mind is a blank I do not remember how to find the percent of financial statements. Is it the same as finding the

asked by Mary on June 20, 2013
46. ## chemistry

6.0g of impure and hydrous Na2SO4 were made up to 1dm^3 of solution neutralize 22.20cm^3 of 0.1mol/dm^3 of HCL.calculate: a)concentration of Na2CO3 in mol/dm^3. b)concentration of Na2CO3 in gram/dm^3. c)percentage purity in carbon.

asked by faith on January 28, 2012
47. ## science

Identify one harmful activity that humans do that might change the percentage of water that is available as a resource? Predict the possible effects this activity could cause to the food chains in that area, the changes in the number and types of

asked by Logan on March 15, 2012
48. ## Chemistry

A 0.3146-g sample of a mixture of NaCl(s) and KBr(s) was dissolved in water. The resulting solution required 47.40 mL of 0.08765 M AgNO3(aq) to precipitate the Cl–(aq) and Br–(aq) as AgCl(s) and AgBr(s). Calculate the mass percentage of NaCl(s) in the

asked by DeJanee on October 2, 2013
49. ## physical

Two identical half-open pipes each have a fundamental frequency of 450 Hz. What percentage change in the length of one of the pipes will cause a beat frequency of 13.0 Hz when they are sounded simultaneously? Assume the speed of sound in air is 342 m/s.

asked by itufizik on July 16, 2012
50. ## chemistry

Blue copper sulfate pentahydrate (CuSO4.5H2O) crystals were heated to give the white monohydrate. What percentage of water was lost? (molar mass of CuSO4.5H2O is 250.5 g/mol)

asked by Savannah on November 15, 2016
51. ## Chemistry

A 0.3146-g sample of a mixture of NaCl(s) and KBr(s) was dissolved in water. The resulting solution required 37.20 mL of 0.08765 M AgNO3(aq) to precipitate the Cl–(aq) and Br–(aq) as AgCl(s) and AgBr(s). Calculate the mass percentage of NaCl(s) in the

asked by Woof on November 30, 2017
52. ## Chemistry

1. A graduate measured out a 100. mL hard water sample and titrated it with 37.6 mL of 0.0100 M EDTA solution for a total hardness endpoint, and 29.3 mL of 0.0100 M EDTA solution for a calcium endpoint. Calculate the molarity with respect to magnesium and

53. ## chemistry

2. Ammonia is produced by the reaction of hydrogen and nitrogen. N2(g) + 3H2(g) à 2NH3(g) o a. How many moles of H2 are needed to react with 1.0 mol of N2? o b. How many moles of N2 reacted if 0.60 mol of NH3 is produced? o c. How many moles of NH3 are

asked by Kevin on December 5, 2018
54. ## chemistry

Aluminum nitrate and ammonium chloride react to form alluminum chloride, nitrogen, and water. what mass of aluminum chloride is present after 43.0 g of aluminum nitrate and 43.0 g ammonium chloride have reacted completely? Please Help

asked by amanda on May 20, 2010
55. ## chemistry

How can i calculate the concentration of each ions remaining in the solution after precipitation is complete? ok heres the full question:: 2KOH + Mg(NO3)2 -------------> 2KNO3 + Mg(OH)2 a 100.0 mL aliquot of 0.200 M aqueous potassium hydroxide is mixed

asked by Crickett on August 24, 2010
56. ## chemistry

How can i calculate the concentration of each ions remaining in the solution after precipitation is complete? ok heres the full question:: 2KOH + Mg(NO3)2 -------------> 2KNO3 + Mg(OH)2 a 100.0 mL aliquot of 0.200 M aqueous potassium hydroxide is mixed

asked by Crickett on August 24, 2010
57. ## Chemistry

How can i calculate the concentration of each ions remaining in the solution after precipitation is complete? ok heres the full question:: 2KOH + Mg(NO3)2 -------------> 2KNO3 + Mg(OH)2 a 100.0 mL aliquot of 0.200 M aqueous potassium hydroxide is mixed

asked by Crickett on August 24, 2010
58. ## Chemistry

How can i calculate the concentration of each ions remaining in the solution after precipitation is complete? ok heres the full question:: 2KOH + Mg(NO3)2 -------------> 2KNO3 + Mg(OH)2 a 100.0 mL aliquot of 0.200 M aqueous potassium hydroxide is mixed

asked by Crickett on August 24, 2010
59. ## Chemistry

A 0.0677g sample of magnesium metal reacted with excess hydrochloric acid to produce 69.9 ml of hydrogen gas. The gas was collected over water at 21.0 degrees Celsius. The levels of water inside and outside the gas collecting tube is identical. The water

asked by K on February 10, 2011
60. ## Chemistry

Automobile air bags employ a chemical reaction involving the rapid decomposition of sodium azide (NaN3) into sodium metal and nitrogen gas to inflate in a collision. How much sodium azide is required to decompose to inflate a 20.0 L air bag? Assume that

asked by Anonymous on June 5, 2013
61. ## chemistry

I have been at this question for at least three hours now. Consider the chemical system below. 2 NOCl(g) 2 NO(g) + Cl2(g) K = 1.6 10-5 What is the equilibrium concentration of nitrogen monoxide, [NO], given each of these initial conditions? (a) [NOCl]0 =

asked by Im so sick of this problem on September 13, 2011
62. ## math

According to Chebyshev's theorem, at least a percentage of either,56%,75%,85%,89% of the measurements lie between 119.3 mmHg and 146.9 mmHg. I really hate to ask any question of you guys I know you are busy, but I am totally lost with this statistic stuff.

asked by Mary Ann on July 18, 2015
63. ## Anatomy & Physiology

A patient is admitted with burns over the legs, arms, and torso. What will be used to determine the percentage of body surface area burned? A. Number of eccrine glands affected B. Amount of hair singed from the body C. Rule of nines D. Type of burn

asked by Diana on February 4, 2014
64. ## Finance

P4.3 Assuming you purchased a share of stock for \$50 one year ago, sold it today for \$60, and during the year received 3 dividend payments totaling \$2.70, calculate the following. a. Income b. Capital gain (or loss) c. Total return (1) In dollars (2) As a

asked by Steven Henager on April 5, 2015
65. ## chemistry

A sealed cylinder of gas contains nitrogen gas at 1.00 ✕ 103 kPa pressure and a temperature of 28°C. The cylinder is left in the sun, and the temperature of the gas increases to 50.°C. What is the new pressure in the cylinder?

asked by becky on June 1, 2015
66. ## Chemistry

A sealed cylinder of gas contains nitrogen gas at 1.00 10e3 kPa pressure and a temperature of 25°C. The cylinder is left in the sun, and the temperature of the gas increases to 60.°C. What is the new pressure in the cylinder?

asked by Dontae on March 9, 2012
67. ## chem help!!

A sealed cylinder of gas contains nitrogen gas at 1.00 103 kPa pressure and a temperature of 14°C. The cylinder is left in the sun, and the temperature of the gas increases to 51°C. What is the new pressure in the cylinder?

asked by chandler on April 14, 2010
68. ## finace

15. Suppose that the following version of the APT is a good model of rick in the stock market. Consider three factors: the stock market’s excess return in percentage points, the change over the last year in the price of oil in dollars, and the spread

asked by Rick on October 28, 2010
69. ## physics question

A resistance box has the following components and tolerances: 10 resistors each of 100k§Ù ¡¾ 0.05% 10 resistors each of 10k§Ù ¡¾ 0.05% 10 resistors each of 1k§Ù ¡¾ 0.05% 10 resistors each of 100§Ù ¡¾ 0.1% 10 resistors each of 10§Ù ¡¾

asked by ong on July 24, 2010
70. ## Math Test: Probability

Okay so I have looked a lot of places for some help on my math test. I am going to put down the first 3 questions and answer choices on my test. If you have the same test as I do then could you give me some answers ASAP? Remember, all test aren't the same

asked by CamDiva on May 31, 2018
71. ## chemistry

10. If the calcium oxide were obtained by the heating of calcium hydroxide, how much hydroxide would be needed to obtain the 15.0 g? 11. If the 15.0 g of calcium oxide in the above problems were allowed to react with water, what amount of calcium hydroxide

asked by greg on December 14, 2012
72. ## AP Chemistry

Suppose the three gases were placed at 1.00 atm and 273 K in closed containers, as shown below. A tiny hole is opened in each container, allowing each gas to diffuse into another container filled with neon gas. What is the ratio of the rate of diffusion of

asked by Anonymous on March 26, 2016
73. ## Science

Pineapple has high requirements for the fertilizer elements nitrogen (N), potassium (K), and iron (Fe), and relatively low requirements for the fertilizer elements phosphorus (P) and calcium (Ca). Although Hawaiian pineapples grow in red soils whose iron

asked by Luke on September 14, 2015
74. ## chemistry

A reaction produced 55.7 mL of nitrogen gas, which was collected over water at 23oC. The measured barometric pressure was 742 torr. If the vapor pressure of water at 23oC is 21 torr, what was the mole fraction of N2 in the collected gas?

asked by Sarah on November 7, 2011
75. ## Chemistry

3) A student dissolves a 1.18g aspirin tablet in water and titrates the solution with a .265M NaOH. 22.05mL of NaOH are required to reach the equivalence point. Calculate the percentage of acetylsalicylic acid in the tablet.

asked by Juliet on October 25, 2010
76. ## Chemistry

A 1.00% by mass MgSO4(aq) solution has a freezing point of -0.192°C. (a) Estimate the van't Hoff i factor from the data. (b) Determine the total molality of all solute species. (c) Calculate the percentage dissociation of MgSO4 in this solution. Can

asked by Daiyo on December 10, 2010
77. ## Science - Chemistry

A certain elixir is 92 proof. A proof is twice the volume percentage of alcohol in a blend. Ethanol's structural formula is CH3CH2OH with a molar mass of 46 grams/mole. The density is .79 g/ml. How many liters of elixir must one have in order to have 50

asked by Ashley on September 30, 2011
78. ## chemistry

. A 0.428-gram sample of a mixture of the solids, KCl and KClO3, is heated. If 80.7 mL of oxygen gas is collected over water at 18.0 oC and 100.8 kPa, calculate the mass percentage of KClO3 in the mixture. (PH2O at 18.0 oC = 15.5 torr

asked by treasa on April 28, 2014

Fice companies contributed different amounts to a local charity. Which visual could best illustrate the percentage of all the monies collected that each company's contributed repreented? table bar chart line graph pie chart

asked by terrie on December 9, 2010
80. ## Algebra

a vendor sold 100 fresh chicken eggs. eight of them were sold at a profit of 30% while the rest were sold at a loss of 40%. what is the percentage gain or loss on the whole stock?

asked by Jude on May 4, 2017
81. ## biology

21% of a population is homozygous dominant, 49% are heterozygous and 29% are homozygous recessive. if the Hardy-Weinberg Law applies, what percentage of the next generation is predicted to be homozygous recessive?

asked by Zoe on January 4, 2011
82. ## chemistry

40grams of sodium hydroxide was reacted with sulphuric acid to give 35grams sodium sulphate.calculate the percentage yield of sodium sulphate.

asked by avril on April 25, 2011
83. ## statistics

Percentage grades in a large physics class follow a normal distribution with mean 58. It is known that 3% of students receive grades less than 39.2. What is the standard deviation of grades in the class?

asked by Anonymous on March 4, 2013
84. ## Math

The diameters of bolts produced by a certain machine are normally distributed with a mean of 0.25 inches and a standard deviation of 0.01 inches. What percentage of bolts will have a diameter greater than 0.24 inches? A. 79.13% B. 82.46% C. 84.13% D.

asked by angela on May 4, 2016
85. ## Chemistry

In this reaction: 2 HCl + Na2CO3 -> H2O + CO2 + 2 NaCl The HCl was diluted from 2M to 0.8M and I currently have 0.020 L of it. There is also Na2CO3. What would be four causes for a large error percentage? Is it possible that some of the HCl evaporated?

asked by Benjamin on January 19, 2017
86. ## Stat

The lengths of pregnancies in a small rural village are Normally distributed with a mean of 268 days and a standard deviation of 12 days. What percentage of pregnancies last beyond 290 days?

87. ## calculus

The measurement of the radius of a circle is found to be 14 inches, with a possible error of 1/4 inch. Use differentials to approximate the possible error and the percentage error in computing the area of a circle.

asked by shaljz on March 25, 2013
88. ## Computer programming

A university has 3000 students.These students are divided in four categories 1.B Tech 2.M Tech 3.Ms 4.Phd Draw a flowchart & algorithm to find percentage of the students in each category

asked by Anonymous on July 14, 2017
89. ## Math

Suppose a cost-benefit model is given: y= 5x/105-x Where y is the cost in thousands of dollars of removing x percentage of a certain pollutant. Find the cost of removing each percent of pollutants: 0%, 45%

asked by lynne on October 14, 2010
90. ## COLLEGE MATH

What percentage of 40 IS 120? I used the formula: 40 =x*120 -40 -40 x= 80% to me this seems way to high as 40 goes into 120 three times making it 33%. Am I using the wrong formula? According to the text book, it seems to be the right answer, but does not

asked by Rick on August 14, 2010
91. ## biology

Can change in heart rate due to exercise be expressed in percentage difference to compare the rest rate and the exercise rate? why is it a good/bad thing to do?

asked by buba on May 7, 2012
92. ## Maths

A car depreciates in value by 15% for the first year and for each year later by 12% of its value at the beginning of that year. Calculate the percentage decrease in the value of the car after 3 years. Could someone please confirm the answer to be 38.048

asked by Zayn on February 16, 2017
93. ## chemistry

a solution of an unknown metal chloride (0.8870 g) was treated with silver nitrate to yield (1.9132 g). calculate the percentage by mass of chloride in the unknown chloride

asked by TROUBLED on October 18, 2011
94. ## Maths

ABC corp. expects to receive \$2000 per year for years and \$3500 per year for the next 10 years. what is the percentage value of this 20 years cash flow? use an 7% discount rate

asked by Nkafu on January 6, 2017
95. ## Math

I am not sure about this problem Find four large cities around the world and an approximate percentage rate of population growth for the countries in which the cities are located. Estimate the population in each of the four cities in 25 yr.

asked by Kirk on March 18, 2010
96. ## Math

the interest rate on car loans increase from 8% to 9%. Although this is a rise of only 1 percentage point, you will be paying ____% more in interest on your loan. If your interest payment was \$400, what would it be with the increase?

asked by Bo on September 26, 2017
97. ## Math

the interest rate on car loans increase from 8% to 9%. although this is a rise of only 1 percentage point, you will be paying ____% more in interest on you loan. If you interest payment was \$400, what would it be with the increase?

asked by sandy on September 26, 2017
98. ## Finance

ABC corp. expects to receive \$2000 per year for years and \$3500 per year for the next 10 years. what is the percentage value of this 20 years cash flow? use an 7% discount rate

asked by Nkafu on January 6, 2017
99. ## chemistry

a solution of an unknown metal chloride (0.8870 g) was treated with silver nitrate to yield (1.9132 g). calculate the percentage by mass of chloride in the unknown chloride

asked by TROUBLED on October 18, 2011
100. ## Chemistry

The reaction of nitrogen dioxide with fluorine generates nitryl fluoride: 2NO2(g) + F2(g) --> 2NO2F(g) To determine the rate law for this reaction, a chemist performed several initial-rate experiments using different initial concentration, with the details

asked by Lily on February 9, 2017