Other Chemistry Answers

Number of moles of O2 required to completely react with 75 grams of Sb?

The electron affinities of noble gases are equal to _________________ due to their ________________

4. Predict what products are obtained when the D-galactose reacts with each of the following reagents:

a) Br2 and H2O
b) H2, Ni
c) NaOH, H2O
d) Br2, H2O, after H2O2 and Fe2 (SO4) 3
e) CH 3 OH, H +.
f) NaBH4
g) Tollens Reagent

5. Say what products are expected when the (+) - glyceraldehyde reacts with HCN

Calculate the molarity of a sodium hydroxide solution if 24.3 mL were required to titrate 25.00 mL of a 0.873 M acetic acid solution.

8) C6H14 + O2 à CO2 + H2O ​​​Mass of C6H14: 5.0 g
Experimental Mass of O2: 16.38g​​Experimental Yield of CO2: 14.96g​​Experiment Yield of H2O: 6.58g

9) Fe(OH)2 à FeO + H2O ​​​Mass of Fe(OH)2: 125.0g
Experimental Yield of FeO: 119.73g​​Experiment Yield of H2O: 28.93g

7) NaI + Br2 à NaBr + I2​​​Mass of NaI: 10.0g​
Experimental Mass of Br2: 4.52g​​Experimental Yield of NaBr:​6.14g ​​Experiment Yield of I2: 6.93g

6) AgNO3 + K3PO4  Ag3PO4+ KNO3 Mass of AgNO3: 25.0g
Experimental Mass of K3PO4: 9.53g Experimental Yield of Ag3PO4: 18.62g Experiment Yield of KNO3: 13.24g

I need help on density

A sample of iron has the same dimensions of 2.0cm X 3.0cm X 2.0cm. If the mass of this recatsngular shaped object is 94.0g what is the density of iron?

How many moles of isooctane must be burned to produce 100 kJ of heat under standard state conditions? Show all your work.

Ethyl alcohol has a latent heat of vaporization of 850 J/g. Water has a latent heat of vaporization of 2260 J/g. Container A contains 1.0 kg of ethyl alcohol. Container B contains 1.0 kg of water. Both liquids are brought to a boil. If the same amount of heat is continuously added to each container, which liquid will boil away first?