Calculate the ph of a solution prepared by diluting 25 ml
Calculate the pH of a solution prepared by diluting 2.5 mL of 1M acetic acid up to a final volume of 100 mL (pka 4.76)
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A square metal plate is heated to 80 degrees celsius at the corner corresponding to x = y = 1. The temperature distribution in the plate is described by T = 80e^(-(x-1)^2)*e^(-3(y-1)^2) Obtain the surface and contour plots for the temperature.
Assuming levels of atmospheric CO2 are 390 ppm CO2, what is the pH of rainwater in equilibrium with the atmosphere for the pre-industrial atmospheric CO2 concentration of 280 ppm,v.
A small block with a mass of 0.117 kg is attached to a cord passing through a hole in a horizontal frictionless surface, How much work was done by the person who pulled on the cord
a proton moves through a region containing a uniform electric field given by E=50.0 v/m and a uniform magnetic field B=(0.200+.300+.400)T. Determine the acceleration of the proton when it has a velocity v=10.0m/s
A 3.00-g bullet, traveling horizontally with a velocity of magnitude 370 m/s, is fired into a wooden block with mass 0.800 kg, What is the decrease in kinetic energy of the bullet
What legal standards could the court apply in evaluating the constitutionality of a law and which would apply in this instance?
a) what is the ratio of conjugate base to conjugate acid after 100 ml of 1M HA is adjusted to a pH of 8? b) under the conditions in part a, how many moles of HA are present? How many moles of A- are present? c) What is the pH of the solution descr
State Newton's three laws of Motion and What is the difference between elastic collision and inelastic collision
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Research and define environmental responsibility. Explain why it is important to plan for children to learn about the environment and become environmentally
Which symbol is Gregory seeking for his product? Which agency awards this symbol?
Reduced Commuting: One of the most significant environmental benefits of remote work is the reduction in commuting. When employees work from home
Large rivers often have: Need Assignment Help? Group of answer choices Natural levees near the river channel, and then a higher-elevation flood plain
Problem: Which of the following statements is best supported by the evidence in the Depth folder?
Problem: Based on the data in the Human Impacts folder, which of the following statements is not supported?
A new star is forming inside this glowing cloud of gas. The dark band in the middle is made of a disk of thick dust, which obscures the ligh