chemistry
in column chromatography in general do polar or nopolar elute first
Math/Science
I'm working on a worksheet, measuring in metric units. The task is to change each measurement to the given unit. For example, 84m 15cm to Centimeters. How do I come up with the answer. Thank You Seth 7th Grade
chemistry
In which one of the following processes is ΔH = ΔE? a. 2HI(g) → H2(g) + I2(g) at atmospheric pressure. b. Two moles of ammonia gas are cooled from 325°C to 300°C at 1.2 atm. c. H2O(l) → H2O(g) at 100°C at atmospheric pressure. d. CaCO3(s) U...
calculus
n(x)=x^5+xe^x, find the real zeroes using newton-raphson methodology.
physics
Your hard drive can spin up to 7500 rpm from rest in 5 s. If your hard drive's mass is 40 g and its radius is 2.5 in, what is the force applied to the drive if the force is applied at a point 0.25 in from the center? Assume the drive is a solid, uniform disk with I = (1/2)...
physics
A container has a large cylindrical lower part with a long thin cylindrical neck. The lower part of the container holds 12.5 m^3 of water and the surface area of the bottom of the container is 5.00 m^(2 ). The height of the lower part of the container is 2.50m and the neck co...
physics
A student opens a 12.0 kg door If the door is 2.00 m in height and 1.00 m wide what is the moment of inertia of the door about its hinges. The equation for moment of inertia about the hinges is I =1/3 mr^2 should i use the the width or the height as my r i think it should be t...
PC Basics
1-B 2-C 3-A 4-B 5-A 6-B 7-A 8-C 9-C 10-C 11-B 12- 13-D 14-C 15-C 16-A 17-D 18-B 19-C 20-B
Estimating rounding(Math)
88.99 roundes to 90.00 and 9.69 roundes to 100.00 10.00
5th grade math
an someone help me learn an easy way to remember metric conversions?? thanks, Seth
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