kelsie
This page lists questions and answers that were posted by visitors named kelsie.
Questions
The following questions were asked by visitors named kelsie.
when you ride a bicycle at full speed and the bike stops suddenly, why do you have to push hard on the handle bars to keep from flying forward?
18 years ago
one reason carbon monoxide(CO) is toxic is that it binds to the blood protein hemoglobin more strongly than oxygen does. The bond between hemoglobin and CO absorbs radiation of 1953 cm^-1. (the units are the reciprocal of the wavelength in centimeters). C...
17 years ago
Enormous numbers of microwave photons are needed to warm macroscopic samples of matter. A portion of soup containing 177 g of water is heated in a microwave oven from 20degrees Celsius to 98 degrees Celsius, with readiation of wavelength 1.55x10^-2m. How...
17 years ago
the complex ion[Ti(H2O)6]^3+ has a maximum absorption wavelength of 512 nm. Calculate the energy change in joules per ion.
17 years ago
use the Rydberg equation to calculate the wavelength (in A) of the photon absorbed when a hydrogen atom undergoes a transition from n=1 to n=3.
17 years ago
Consider a light-sensitive reaction. What energy, in joules per photon, is needed to drive the reaction if delta H of the reaction is equal to 307kJ/mol?
17 years ago
how many grams of glucose are required to produce 50mL of 0.1 m solution?
16 years ago
1. express tan 11pi/6 in terms of a positive acute angle 2. solve for x : sin(4x-7) = cos 17 thank you!
14 years ago
a 4-kg box is pushed across a level floor with a force of 60n for a displacemen of 20m then lifted to a height of 3 m. what is total work done on the box?
13 years ago
There were 24 people on the bus. At the bus stop 9 people got off the bus. How many people are on the bus now? Show 2 different ways to solve this problem
9 years ago
nine more than the quotient of two and a number x
4 years ago
Answers
The following answers were posted by visitors named kelsie.