Brody
Most popular questions and responses by Brody
Chemistry
Buffer capacity is a measure of a buffer solution\'s resistance to changes in pH as strong acid or base is added. Suppose that you have 165 mL of a buffer that is 0.360 M in both benzoic acid (C6H5COOH) and its conjugate base (C6H5COO–). Calculate the
asked on November 17, 2013 
physics
A glass window pane has an area of 3.00 m2 and a thickness of 0.600 cm. If the temperature difference between its faces is 25.0°C, what is the rate of energy transfer by conduction through the window.
asked on January 30, 2014 
Chemistry
Buffer capacity is a measure of a buffer solution\'s resistance to changes in pH as strong acid or base is added. Suppose that you have 165 mL of a buffer that is 0.360 M in both benzoic acid (C6H5COOH) and its conjugate base (C6H5COO–). Calculate the
asked on November 17, 2013 
Physics
A car starts rolling down a 1in8 hill (1in8 means that for each 8 m traveled along the road, the elevation change is 1 m). A) How fast is it going when it reaches the bottom after traveling 90 m ? Assume an effective coefficient of friction equal to
asked on November 3, 2015 
English
Find the verbal phrases and appositive phrases in the following sentences. Identify each phrase as a participial phrase, a gerund phrase, an infinitive phrase, or an appositive phrase. 1. Developing the automobile was actually the creative work of many
asked on November 25, 2018 
Physical Science
If there were no air resistance, a quarter dropped from the top of New York's empire state building would reach the ground 9.6 seconds later, what would its speed be? How high is the building?
asked on January 29, 2012 
Physics
A bar of gold is in thermal contact with a bar of silver of the same length and area. One end of the compound bar is maintained at 80.0°C while the opposite end is at 30.0°C. When the energy transfer reaches steady state, what is the temperature at the
asked on January 30, 2014 
Chemistry
Calculate the pH for each of the following points in the titration of 50.0 mL of a 2.7 M H3PO3(aq) with 2.7 M KOH(aq). (a) before addition of any KOH (b) after addition of 25.0 mL of KOH (c) after addition of 50.0 mL of KOH (d) after addition of 75.0 mL of
asked on November 17, 2013 
Math
The distance between Town A and Town B was 210 km. At 9:20 P.M., a bus set off from Town A to Town B and a car left from Town B to Town A. The average speed of the bus was 60 km/h, and the average speed of the car was 80km/h. a) Calculate the time at which
asked on April 29, 2016 
Linear Algebra
Suppose T: R^2>R^2 is a linear transformation with T(1,2)=(2,1) & T(3,1)=(1,2). What is T(12,11)?
asked on March 5, 2014 
Physics
The Nova laser at Lawrence Livermore National Laboratory in California is used in studies of initiating controlled nuclear fusion (Section 45.4). It can deliver a power of 1.60 × 1013 W over a time interval of 2.50 ns. Compare its energy output in one
asked on January 31, 2014 
college chemistry
The halflife of 13252Te is 3.26 days. This isotope decays by beta emission to a highly unstable intermediate that decays rapidly to a stable product by beta emission. (a) What is the ultimate product obtained from Te132? Write a balanced equation for
asked on May 3, 2010 
Physics
Two speeding lead bullets each of mass 5 g and temperature of 20°C collide head on at speeds of 500m/s each. Assuming a perfectly inelastic collision and no loss of energy to the atmospheres, describe the final state of the two bullet system.
asked on January 30, 2014 
Math
On a forward summer salt dive, a diver's height, h meters above the water can be modelled by the equation h(t)=2.9(t0.6)^2+4.8 where t is the time in seconds after the diver leaves the board A) determine the height above the water the diver is before he
asked on October 25, 2014 
Physics
The Nova laser at Lawrence Livermore National Laboratory in California is used in studies of initiating controlled nuclear fusion (Section 45.4). It can deliver a power of 1.60 × 1013 W over a time interval of 2.50 ns. Compare its energy output in one
asked on January 31, 2014 
Physics
Vertical beam of mercury (Hg atomic mass =202u) atoms emerges from the oven kept at T= 400K. Consider three atoms, emerging from the oven: one with the average speed, one with the rms speed, and the other with the most probable speed of the Maxwellian
asked on February 6, 2014 
Physics
A 4 liter sample of a diatomic gas with γ =1.4 confined to a cylinder, is carried through a closed cycle. The gas is initially at 1.00atm. and 300K. First, its pressure is tripled under constant volume. Then it expands adiabatically to its original
asked on February 6, 2014 
social studies
How are Urban and Rural related
asked on February 24, 2010 
Linear Algebra
Suppose C and D and 5x5 matrices and det(C)=5, det(D)=6. Compute the determinant of the matrix 3C^T (4CD)^1 C^2. Justify your answer by stating explicitly which calculation rules for the determinant you use.
asked on March 5, 2014 
Physics
A water heater is operated by solar power. If solar collector has an area of 6.00m^2, and the intensity delivered by sunlight is 550W/m^2, how long does it take to increase the temperature of 1m^3 of water from 20°Cto 60°C?
asked on January 30, 2014 
Linear Algebra
Consider the linear transformation T: R^3>R^3 which acts by rotation around the yaxis by an angle of pi, followed by a shear in the xdirection by a factor of 2. a) Find the matrix for T. Explain your method. b) What is T(1,2,3) c) Without calculation,
asked on March 5, 2014 
math
What is the largest odd number with a 9 in the 10 millions place
asked on October 9, 2012 
History
How was the election of 1916 differenct from the election of 2004
asked on December 1, 2008 
science
Why do certain comets return at regular intervals?
asked on November 22, 2008

math
this question stumped me FOREVER on my 8th grade placement test. thank u for the solutions.
posted on May 20, 2019 
Maths
Sorry it is realy 68! No joke please trust me!
posted on April 8, 2019 
Maths
Answer 82. I am correct trust me its correct.
posted on April 8, 2019 
math
20%
posted on February 16, 2018 
Math
Hebdhdhe
posted on October 21, 2015 
Math
Yes
posted on October 25, 2014 
Physics
Yes, this is assuming no heat is lost
posted on January 30, 2014 
Physical Science
Okay, thank you! I'm pretty sure I got it! What about to know how high the building is though? Sorry if you already answered that too, I am awful with this kind of stuff
posted on January 29, 2012 
Physical Science
I don't know how to use those formulas to figure out what the speed and how high the building would be ?
posted on January 29, 2012 
11th grade physics
The mass of an object at any point will remain the same( unless its velocity approaches that of light, of course )So, for the weight to reduce to half its value, the acceleration due to gravity has to reduce to half its value on earth. now, the relation
posted on December 16, 2010