# Questions Asked onJuly 18, 2011

1. ## Chemistry

Dinitrogen tetroxide decomposes to nitrogen dioxide: N2O4 (g) ---> 2NO2 (g) Delta H rxn: 55.3 kJ At 298 K a reaction vessel initially containing .100 atm of N2O4. When equilibrium is reached, 58% of the N2O4 has decomposed to NO2. -What percentage of N2O4

2. ## Chemistry

A 0.100g sample of a compound containing C, H, and O is burned oxygen producing 0.1783 g of CO2 and 0.0734 g of H2O. Determine the empirical formula of the compound.

3. ## math

Why do Eskimos wash their clothes in tide? 10 letters (doesn't have to be one word) The answers:Cold out tide,Too Cold Out, Its cold Out, and No tap water don't work.

4. ## phy

A 3.50 kg block on a smooth tabletop is attached by a string to a hanging block of mass 2.80 kg. The blocks are released from rest and allowed to move freely. 1-Is the tension in the string greater than, less than, or equal to the weight of the hanging

5. ## phy

A child goes down a playground slide with an acceleration of 1.36 m/s^2. 1-Find the coefficient of kinetic friction between the child and the slide if the slide is inclined at an angle of 28.0 deg below the horizontal.

6. ## English

in the sentence the man in the back row brought his friends with him what are the parts of the sentence

54. ## math

A manufacturer has a maximum of 240, 360, and 180 kilograms of wood, plastic and steel available. The company produces two products, A and B. Each unit of A requires 1, 3 and 2 kilograms of wood, plastic and steel respectively; each unit of B requires 3, 4

55. ## english

write the character sketch of phyllis from the novel "the railway children"by E-nesbit

56. ## Asaudeen seniur high school i.e mathematics

Find the range of value of x for which 13>3x-23 where all the members are integers

77. ## Amortized Loan

What is the interest payment on $16,000 at 5% interest amortized over 16 months with$1,000 payment per month

78. ## math

(12-8)(3x-5)(7x+29) = solve: show your work

79. ## health

Critically DISCUSS 5 WAYS IN WHICH THE SOCIAL OR ENVIRONMENTAL PROBLEM IMPACT ON THE COMMUNITY.PROVIDE RELEVANT SOURCES TO SUPPORT YOUR CLAIM

80. ## american government

the presidents roles such as chief executive and commander in chief :

81. ## algebra

The half-life of 234U, uranium-234, is 2.52 105 yr. If 97.7% of the uranium in the original sample is present, what length of time (to the nearest thousand years) has elapsed

82. ## algebra

find the following product: 5x^2y(-4x^5y^4)

83. ## algebra

short answer. find the following product -7z(-8z^3+3z^2+8)

84. ## algebra

find the following product:(x-3)(x+3)

4(x-5)+2+x=3

86. ## intermediate algebraDivide

Essay: Show all work. A gardener wants to create a rectangular garden with length of 2x-3y ft. and width of x+4y ft. What is an algebraic expression for the area of the garden? Be sure to multiply this out, express in simplest correct mathematical form,

87. ## math

4(x-5)-5+6x+7.4-4x

88. ## Calculus

A manufacturer can produce digital recorders at a cost of 60 dollars each. It is estimated that if the recorders are sold for P dollars a piece, consumers will buy q= 150-p recorders each month. What is the average rate of profit obtained as the level of

89. ## math

solve using add. method 4x=-6+5y 8x+4y=-3

90. ## physics

A race car is able to accelerate at a rate of 14m/s2. After exiting a turn at a speed of 15m/s, the car enters a straightaway and accelerates to a speed of 96m/s just as it reaches the end of the straightaway and enters the next turn. A)how long did it

91. ## english

I needed to change my thesis statement(last sentence). It was too long. Please review. Imagine being 6’3” in the eighth grade and everyone in the school making comments about your height. There are definitely advantages and disadvantages to being tall.

92. ## Geometry-help please :(

Construct a truth table for the statement. (p ↔ q) → p

93. ## Language art

What is a group of people at a dance with letters bssmyale

94. ## english

define this proverb "Hooks are every thing"

95. ## Life orientation

Identify one environmental factor that causes ill health &disasters in our community

asked by Identify one environmental factor that causes ill health & disasters in our community
96. ## algebra

Short answer. find the following product. -7z(-8z^3+3z^2+8)

97. ## psychology

Why would it be helpful if everyone learned something about childhood development?

98. ## english

In the morning, thousands of birds appeared.

99. ## math

write an equation of the line parallel to the line given by 3x-2y=8 and having the same y- intercept as the line given by 2y+3=-4

100. ## math

A deposit of \$2,000 earns interest at a rate of 14% compounded quarterly. After two and a half years the interest rate changes to 13.5% compounded monthly. How much is in the account after six years?

101. ## arithmetic

is my answer right? Q) Using a frame rate of 25 fps, what frame number will AviSynth give to the final frame of a 6-second video clip? A. 25*6=150

102. ## Literature

Where can I get study questions for the story Julie of the Wolves?

103. ## Math

Construct a truth table for the statement. (p ↔ q) → p

104. ## AP CHEM

Comparing the Noble Gases to the Alkaline Metals, what are major similarities and major difference between the two?

105. ## Diatomic Molecules?!

Why do diatomic molecules form?!! :((

106. ## math

If i put 2,500 in a bank account with 6.5% interest rate 12 years ago,how much will be in the account now?

107. ## mechanics

what is the kinetic energy of an object that has a mass of 20nkilograms and a speed of 2.8 m/s

108. ## business ethics

2. Reah filed a case against her employer who dismissed her from service for reporting to work under the influence of alcohol. Which of these would be valid reason to contest the dismissal? a.)Reah's employer had not listed reporting to work after

109. ## math

2,500(1.0650)^12=

110. ## Geometry

find m_DCB, given angles A and F are congruent, angles B and E are congruent, and m_CDE=26

111. ## algebra

short answer. find the following quotient: x^2-36 ------ x+6

112. ## math

4(x-5)-5=6x+7.4-4x

113. ## math

A transformation T : (x, y) (x + 3, y + 1). The image of B(4, 1) under this transformation is

114. ## math

a/26-5.5+2a=9/13+20a/13+4/13

115. ## business ethics

A cookie company's management wants to increase the number of employees belonging to minority groups.They implement a policy determining that a fixed percentage of recruits should be members of groups Which legal constraint is breached by this decision?.A)

116. ## us history

what were some tension over slavery in the 1840's?

117. ## Statistics

for 95 out 0f 100 of the same size, a 95% confidence interval of a parameter will include the thrue value of that parameter