# Questions Asked onOctober 12, 2013

1. ## science

I am doing a titration lab and need help with a problem. (i used .100M H2SO4)(I used 10.0 ml of Ba(OH)2 solution and added 50.0 ml of distilled water making 60.0 ml total.) 1. Use the titration results to calculate the moles of H2SO4 that were used to

62. ## Algebra

8(v-8)-2v=-28

63. ## math

every number greater than 2 can be written as the sum of two prime numbers. 22=3+19 or 22=11+11 write the even number from 80 to 96 adbthe sum of two primes in atleast one way.

Hi, I understand the question but every vocab. word I think this is it's just not coming out right when I'm putting it all together. Question:To pass a trait on to the next generation (offspring) an organism does what? My answer is heredity, but to me when

65. ## Chem104

Calculate the specific heat $$(\rm{J/g \; ^\circ C})$$ for a 18.5-$$\rm g$$ sample of tin that absorbs 183 $${\rm J}$$ when temperature increases from 35.0 $$^\circ \rm C$$ to 78.6 $$^\circ \rm C$$.

66. ## Criminal justice

What would be the hypothetical example of modern day burglary?

67. ## Chemistry

What is the pressure of the gas in a manometer if the height in between is 71mm and the atmospheric pressure is 761mmHg?

68. ## Physical Science

You are running a race and you speed up from 3 m/s to 5 m/s in 4 seconds. a. What is your change in speed? b. What is your acceleration?

69. ## Physical Science

The Earth moves in a nearly perfect circle around the Sun. Assume the speed stays constant. Is the Earth accelerating or not?

70. ## physics

A. A particle is traveling without friction up and down hills and valleys. If its initial potential energy is 6 J and its initial kinetic energy is 78 J, what is its total energy, E? E: J B. If at a later point its potential energy is -14 J, what is its

71. ## math

Give three reasons why z scores are useful.

72. ## biology

movement of water molecules across the cell membranes from hypertonic to hypotonic solution . whether it is osmosis or diffusion?. please clarify.

73. ## maths2

Test the equation for symmetry with respect to the x-axis, the y-axis, and the origin. x2 + y2 + x2y2 = 4 A. Symmetric with respect to the x-axis B. Symmetric with respect to the y-axis C. Symmetric with respect to the origin D. Symmetric with respect to

74. ## maths

they say bongani buys 1 litre of milk and drinks a quarter of it and dey wnt to knw wht fraction of the litre of milk is left,and dey say bongani offers another 3eighths of the leftover milk to his sister bongiwe n dey wnt to knw wht fraction of de litter

75. ## algebra

(x-0.2)(x+0.2)

76. ## Biology of Environment

Im having hard time differentiating b/w inductive and deductive reasoning. In inductive you find patterns, then you reach conclusion, in deductive you reach conclusion based on previous known facts, but i still not quite understand. I also not get the

77. ## math

a steamship has length of 8783/4 feet it's width at widest point is 991/2 feet how much grater is it's length than it's width

78. ## english 28

I am writing a persuasive essay on americanization and I cant think of a thesis statement

79. ## math

point a (8, -10)is reflected over the y axis. What are the coordinates of A prime?

80. ## math

Is a triangle with sides of 25,20, 15 a right triangle?

81. ## Quantum Physics

Suppose you are given an endless supply of qubits in the state (1/√2)|00>+(e^iϕ/√2)|10>. To estimate the phase angle ϕ, you run Fourier sampling (i.e. Hadamard on each qubit followed by a standard basis measurement) on this state repeatedly. After

82. ## Language arts

because proctor did not know the six commandment then

83. ## Math, Factoring

Factor: 121x^2+110x+25

85. ## math

if the coefficient of x,x*x,x*x*x in the binomial expansion (1/2+x) whole raise to 2n are in AP. Show that 2nsquare- 9n +7 is equal to zero?

a 25gram bullet is fired upward through a .36kg block. the block goes up 17cm in the air and the bullet goes up 24m into the air. What is the initial velocity of the bullet?

87. ## Math- ASAP

Could you please help me on this problem, i'm kinda stuck on it and can't find the same base. These are exponents (9^2x-1) = 6^x Thanks for helping me! -ST

88. ## physics

If you accelerate due to gravity (free fall), your acceleration is -9.8 m/s2. In some fields, particularly aviation, this is referred to as 1 g of acceleration. If you were accelerating at 2.5 g, what would be your average acceleration? If you started from

89. ## STAT

Given a sample size of 18, with sample mean 660.3 and sample standard deviation 95.9, we are to perform the following hypothesis testing: Null Hypothesis H0 : µ = 700 Research Hypothesis H1 : µ ≠ 700 •What is the test statistics? •At a 0.05

90. ## STAT

The score on a test are normally distributed with a mean of 75 and a standard deviation of 6. If the professor wishes to give A’s to the top 4%, what would be the cutoff score be for A’s?

91. ## algebra

Multiply (x+3)(x-3)

92. ## History

can someone clarify this statement for me.. President Lincoln was a reluctant, censor closing newspapers and jailing "copperhead" editors who sympathized with the South, giving credence to the notion that war sometimes necessitates compromises of free

93. ## Chemistry

What volume of a liquid having a density of 4.55 g/cm3 is needed to supply 10.47 grams of that liquid? Answer in cm3.

94. ## Greek Mythology

I'm doing a mini report on Athena, goddess of war, and if you have any links to help me accomplish this it would be very much appreciated. :)

95. ## algebra 1

solve the equation -2x+1=5-2x can you please show me some videos of how i can solve them

96. ## Logic

Having trouble with these two 1. 1 ~J 2 (B ⊃ M) ⊃ (~J ⊃ B) 3 ~J ⊃ (B ⊃ M) / B 2. 1 ~L 2 V v (A v L) 3 (V v A) ⊃ ~V / A

97. ## Physical Science

Suppose you are moving left (negative) with a velocity of -10 m/s? What happens to your speed if you have a negative acceleration? Do you speed up or slow down?

98. ## English

1. You are out of breadth a lot. 2. You are very out of breadth. 3. You are much out of breadth. 4. How aout of breadth you are! (Which one is grammatical? Which one is similar to #4? What other expressions can we us instead of 'out of breadth.?)

99. ## physics

The mass of an unloaded car is 800 kg. The body of the car will sink 6 cm after getting in 5 persons of total mass of 500 kg. How much is the time of period of vibration of the unloaded car and loaded with passengers?

100. ## English

The stolen necklace is insured for five million dollars. (What is the meaning of the role of 'for' in this sentence? What else can we use instead of 'for' ?)

101. ## Chemistry

What are the equations for these two equations? Not net ionic equations. a) Nickel (II) chloride and iron b) Sodium and water

102. ## English

Hi this is a rebus question, can you answer it? ECNALG

103. ## English

1. So the necklace on his desk had to be the real diamond necklace. 2. So the necklace on his desk must have been the real diamond necklace. (Does #1 mean #2? What is the difference between them?) 3. He must be strong. 4. He has to be strong. (Are both

104. ## Physics

A projectile is fired from the surface of the Earth with a speed of 200 meters per second at an angle of 30° above the horizontal. If the ground is level, what is the maximum height reached by the projectile? (A) 5 m (B) 10 m (C) 500 m (D) 1,000 m (E)

105. ## Maths

For 2 sets X={1,2,3,4},Y={−15,0,30}, f is a surjective function from X to Y. If f(1)=−15 and f(2)=f(4)=0, what is f(3) ?

106. ## science

I'm doing a project on chocolate I need help how to start the project

107. ## science

A decrease in “food miles” will most likely increase the environmental impact of any given food. (Points : 1) True False

108. ## Card Probability

The probability of pulling an ace or king from a deck of cards is?

109. ## SAT MATH

if x^2 - y^2 = 77 and x + y=11 what is the value of x?

110. ## physics

for the hydrulic lift shown,what must be the radio of the diameter of the vessel at the car to the diameter of the vessel where the force F,is applied so that a 1.52x10^3 gr car can be lifted with a force F,of just 0.125kN?

111. ## STAT

Lucinda used ANOVA to test if there were statistically significant differences between the five conditions of her independent variable. There were 8 participants in each condition. Her obtained F-test (df between = 4, df within = 30) was F = 10.897/3.72 =

112. ## STAT

A certain personality index postulated by Professor Bailey is normally distributed, with a mean of 0.4 and a variance of 0.0004. What is the probability that the Professor Bailey’s personality index of a randomly selected person will exceed 0.44?

113. ## STAT

The Cox family has 4 boys. •What is the probability of a 4-child family having 4 boys? •What is the probability that the next child of the Cox family will be a boy, given that they have already 4 boys in a row?

115. ## gc chemistry

What affects peak shape in gc? I know peak area is proportional to the amount of a species and tailing occurs due to adsorption of polar species. Also fronting can occur if too much sample is added but these are the only things i can think of that would

116. ## Biology of environment

What does dynamic equlibrium population growth mean?

117. ## algebra

Evaluate the polynomial for x=3 and x=-3 4x^3-1/9x^4

118. ## algebra

multiply (-1/2y^2)-(3/5y^8

119. ## algebra

multiply -8x(6x^2-4x+1)

(a+1((a+1)