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Find out the exact significant figures for the values.
How many significant figures are there in each of the following values?
b) 1.0 × 102
c) 1.00 × 103
g) 4.80 × 10-3
h) 4.800 × 10-3
the elements of 3d transition series are given as:sc, ti, v, cr, Mn, fe, Coanswer the following: (a) write the element which shows max. no. of oxidation states.why? (b)which element has highest M.P (c) which elements is ...
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A sample of O2 was collected over water at 25C and .865 atm. If the total sample volume was 2.538 L, how many moles of O2 were collected?
Write an essay about molecular modelling, its uses, and applications, and use a freely available modelling software from the internet and include the details of the modelling you followed, and give examples of at least t ...
1. Calculate the grams of Na 2 CO 3 required to prepare 250.0 mL of 0.375 M Na 2 CO 3 solution. 2. The reaction of sodium carbonate with hydrochloric acid produces carbonic acid and sodium chloride. If 25.00 mL of O.0 ...
Question 1 Di-lithium is composed of two lithium atoms. Which of the following statements regarding di-lithium or lithium is FALSE? They oxidize very slowly in air. They remain in the solid state even after getting fragm ...
Consider a string with a length of 54.5 cm tied at both end (like on a stringed instrument). If the frequency of the first harmonic on the string is 256 Hz, determine the speed of the wave in the string. Post your answer ...
Please create 1 synthesis (you get to choose any starting material) but you should demonstrate all of the following reactions and the product: oxymercuration +hydroboration+ addition+ KMnO4 + hydrolysis + LDA . reactions ...
A solution containing the complex formed between Bi(III) and thiourea has a molar absorptivity of 9.32x10^3 Lxcm^-1xmol^-1 at 470 nm. What is the absorbance of a 6.24 x10^-5 M solution of the complex in a 1.00-cm cell? W ...
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