The name of the disaccharide above is sucrose
<h3>What are disaccharides?</h3>
Disaccharides are substances which are composed of two molecules of simple sugars or monosaccharides linked to each other.
Below are some examples of disaccharides:
- Sucrose
- Maltose
- Lactose
- Cellobiose
So therefore, the name of the disaccharide above is sucrose
Learn more about disaccharides:
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Answer:
The uncertainty due to the equipment on chemistry equipment is equal to +-1/2 of the smallest unit marked in your equipment; in this case you have a pipette and its sameelst mark is 0.1 mL, so the uncertainty will be 0.05 mL. If you divide 0.05 mL / 3.2 mL and multiply it by 100 you get 1.56% of uncertainty if you measure 3.2 mL, so it will be proper to report the measurement and also the uncertainty.
Answer:PH2=0.994atm, mass of zinc=0.606g
Explanation:
Equation for the reaction is written as;
Zn(s) + 2HCl(aq) - ZnCl2(aq) + H2(g)
V= 240ml = 0.240L
T= 30.8oC = 303.8K
Ptotal= 1.036atm
Pwater = 32mmHg at 30oC = 0.042atm
Therefore
PH2 = Ptotal - Pwater
= 1.036-0.042atm
=0.994atm
But PV= nRT
n = PV/RT
= 0.994x0.240/0.0821x303.8
= 0.24/24.94
=0.009324moles
For the grams of zinc
n=mass in grams/molar mass
Mass in grams = no of moles x molar mass
=0.009324x65 = 0.606g
Ph of this solution would be 4