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LiNnY
You have counted a suspension of yeast cells and calculate that you have to dilute your sample 1 plus 3.?
If the yeast suspension is 7.3 x 107 cells/ml, you have a 100 ml sample and you need 210 ml of the diluted sample, how many ml of the yeast suspension do you pipette into your flask?
1 AntwortChemistryvor 1 JahrzehntA sample of cellulose has an average RMM of 670,000.?
Calculate the number of glucose residues per molecule of cellulose.
Assume that RMM glucose (in cellulose) = 162.
1 AntwortChemistryvor 1 JahrzehntYou find a bottle labeled "GLUCOSE: 2.00 mol/l". How many moles in 125 ml of this solution?
Relative molecular mass of glucose is 180
2 AntwortenChemistryvor 1 JahrzehntYou make up a starch solution such that 250 ml contains 50 g. How much is there in 30 ml?
3 AntwortenMathematicsvor 1 Jahrzehnt10 ml of a 70% ethanol solution is added to water to give a final volume of 120 ml.?
What concentrationis this?
1 AntwortChemistryvor 1 JahrzehntI am going to buy an LG KS360, but can't decide on the colour?
Either blue or black? Which one looks better?
14 AntwortenMobile Phones & Plansvor 1 JahrzehntSetting up wireless network.....?
how do i set a network key on my wireless broadband connection so it can't be hacked into???
2 AntwortenSecurityvor 1 JahrzehntAcer Extensa 4620........?
does anyone use this laptop? im looking to buy it but not sure if its reliable.
1 AntwortLaptops & Notebooksvor 1 JahrzehntHow can i find new cheap vintage tshirts?
for example mickey mouse, super mario, mr.men series etc
7 AntwortenFashion & Accessoriesvor 1 Jahrzehnteverytime i put my micro SD memory card into my LG KF600 Venus it says bad formatting error?
Also theres a small icon of a memory card at the top of the scree. Can anyone help???????
2 AntwortenMobile Phones & Plansvor 1 Jahrzehnthas anyone tried the blyk sim with the free texts and minutes?
i would like to know if the sim needs to be put into an unlocked mobile phone.
1 AntwortMobile Phones & Plansvor 1 Jahrzehntim trying to find these two songs, but dont know the title of them. can anyone help???
one goes "tum bachon ge kis tara,kya yeh assan kaam hai, dil ke sau tookre hue...." and the other is "maine baadal se kahan, dil ke pyaas buja, badaal ne kahan........" and thats all i know. Any help apprecaited.
5 AntwortenLyricsvor 1 JahrzehntWhat is the type of reaction when converting a hydroxynitrile to a carboxylic acid?
reagents and conditions aswell please
2 AntwortenChemistryvor 1 Jahrzehntwhat is the type of reaction when converting an alcohol to an ester? and an alcohol to a carboxylic acid?
reagents and conditions aswell please
3 AntwortenChemistryvor 1 Jahrzehntcan anyone let me know of equations supporting isomerisation, cracking and reforming?
2 AntwortenHomework Helpvor 1 Jahrzehntwhy are carbohydrates stored as a polymer rather than a monomer?
4 AntwortenChemistryvor 1 Jahrzehnt