Explain the ratio of the number of atoms of the isotopes

Assignment Help Chemistry

Reference no: EM13499122

The ratio of the number of atoms of the isotopes Ga-69 and Ga-71 in eight samples from different sources was measured in an effort to understand differences in reported values of the atomic mass of gallium.

sample Ga-69/Ga-71
1 1.52660
2 1.52974
3 1.52592
4 1.52731
5 1.52894
6 1.52804
7 1.52685
8 1.52793

Find the
a) mean
b) standard deviation
c) variance
d) write the mean and standard deviation together with an appropriate number of significant digits.

Reference no: EM13499122

Questions Cloud

Discuss whether your client is a tax resident in new zealand : Discuss whether a capital gains tax, in your opinion, would result in a more equitable tax system in New Zealand.

What is the speed of recoil of the chair and cat : A cat crouches on the floor, at a distance of 1.6 m from a desk chair of height .45 m. The cat jumps onto the chair, landing with zero vertical velocity. What is the speed of recoil of the chair and cat

Explain what is the heat absorbtion for 100 g liquid water : What is the heat absorbtion for 100 g liquid water that is frozen to ice at 0 degrees C and 1 atm

Find the magnitude of the impulse delivered by the wall : A super ball, made of rubblerlike plastic, is thrown against a hard smooth wall. What is the magnitude of the impulse delivered by the wall

Explain the ratio of the number of atoms of the isotopes : The ratio of the number of atoms of the isotopes Ga-69 and Ga-71 in eight samples from different sources was measured in an effort to understand differences in reported values of the atomic mass of gallium.

What is the average angular speed of the grindstone : A grindstone of radius 4.0 m is initially spinning with an angular speed of 8.0 rad/s. What is the average angular speed of the Grindstone

Display the output of the sql statement : Write a procedure that takes a car registration and returns the most recent date of rental and the maximum rental period for that car. The procedure had the following formal parameters

Explain what is the millimolar mm concentration of ethanol : What is the millimolar (mM) concentration of ethanol in the blood at this limit. The density of ethanol is 0.789 g/ml.

Prepare the income statement and owner equity statement : Charles Brown opened Charlie's House Cleaners on March 1. During March, the following transactions were completed.

User Account

All Pages