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calculating the accuracy of an instrument?
How do I calculate the accuracy of an instrument (balance)?
given that I weighed a standard mass of 200g and obtained the values 200.02, 200.00 and 200.01
3 AnswersChemistry1 decade agoPhysics question on the H atom?
What is the minimum energy (in electron volts) that is required to remove the electron from the ground state of a singly ionized helium atom (He+, Z = 2)?
1 AnswerPhysics1 decade agoCan u help me make alpha the subject of the formula?
R = Ro [ 1+ α (T-To) ]
2 AnswersMathematics1 decade agoI am looking for a cell new phone plan - I rarely use my phone except for emergencies so was wondering?
if there are recomended ones?
2 AnswersCell Phones & Plans1 decade agoWhat is the nitrification reaction?
2 AnswersChemistry1 decade agoMy boyfriend always makes commemts like girls cant play sports or girls cant drive, it irritates me but I have?
no come back for him, any ideas?
25 AnswersSingles & Dating1 decade agoWhat gets an ice age started?
I was reading about how the earth's periodically changes, you have a warm one followed by a cold one so was just wondering since we are all worried about a global warm up, maybe if we know what causes the cool down would be good. Just a thought in my brain and I guess lots of pple out there are knowledgable on this.
5 AnswersEarth Sciences & Geology1 decade agowhat are some of the major geological things in New York?
so far I can only come up with Niagara falls and Finger lakes
5 AnswersEarth Sciences & Geology1 decade agohow do I convert 493ppm to mols/ liter?
1 AnswerChemistry1 decade agoHow do you find the preexponential factor at 25 deg. Celcius? ?
Given that the Arrheniua activation energy is 108KJ/mol and the and the rate constant is -6
1 AnswerChemistry1 decade agoChem HW help pleeeeeeese?
25 g of NaCl is dissolved in water to make 1.0 L of solution. What is the:
a) Normality
b) Molality
c) Mole fraction of NaCl in solution.
1 AnswerChemistry1 decade agoTips on being an after school tutor?
I am in college and am applying for a position as an after school tutor and was wondering if there is some way I can prepare to answer the questions I may get.
The school caters for middle and high school kids
2 AnswersPrimary & Secondary Education1 decade agohow do I show that tan^2A = 1-cos^2A/cos^2A?
2 AnswersMathematics1 decade ago