What is the emperical formular of the compound

Assignment Help Chemistry
Reference no: EM13121208

A cumbustion analysis was carried out on 1.621g of newly synthesize compound which was known to contain only carbon,hydrogen and oxygen. The masses of H20 and carbondioxide produced were 1.902g and 3.095g respectively,what is the emperical formular of the compound?

Reference no: EM13121208

Questions Cloud

Find the pooled standard deviation for problem : This second sample had an average response of 132 with a sample variance of 16. What is the pooled standard deviation for this problem?
Equivalent units for conversion costs : Equivalent units for materials total 20,000. There were 16,000 units completed and transferred out. Equivalent units for conversion costs equals 18,000. How much are the physical units for conversion costs if ending work in process is 50% complete..
Find the adults board first and randomly select seats : The adults board first and randomly select seats. The children select seats in order with c1 selecting first, c2 selecting second
Determining fields and ideals : Let F be a field and f(x), g(x) be elements of F[x]. Show that f(x) divides g(x) if and only if g(x) is an element of .
What is the emperical formular of the compound : A cumbustion analysis was carried out on 1.621g of newly synthesize compound which was known to contain only carbon,hydrogen and oxygen.
Social order and progress with capitalism : John Maynard Keynes, writing in the midst of the Great Depression of the 1930s, argued for stabilization policies in order to maintain social order and progress with capitalism.
At least how many days should pregnancies last : Assume that a normal model with a mean 263 days and standard deviation can describe the duration of human pregnancies 12 days. At least how many days should the longest 30% of all pregnancies last?
Conversion cost per unit : Madison Industries has equivalent units of 2,000 for materials and for conversion costs. Total manufacturing costs are $160,000. Total materials costs are $120,000. How much is the conversion cost per unit?
Cognitive dissonance-facial expressions-emotions : In the instance in which the selected theory of motivation was not applicable to your workplace experience, assess the need to develop and create new theoretical models of motivation in today's changing work environment.

Reviews

Write a Review

Chemistry Questions & Answers

  How many grams of dry nh4cl need to be added

How many grams of dry NH4Cl need to be added to 1.80 L of a 0.800 solution of ammonia, NH3, to prepare a buffer solution that has a Kb of 8.87? for ammonia is 1.8E-5.

  Calculate the amounts of output stream

Calculate the amounts of C 7 H 8 , C 7 H 16 , and H 2 in the output stream express your answer (in mol s -1 ).

  Calculate the diameter of an oil molecule

A drop of oil volume 0.05 cm3 is released from a medicine dropper on to a calm surface of a pond where it spreads out to cover an area of 40 cm2. Calculate the diameter of an oil molecule.

  Find the pressure of gas sample in units of torr

In a manometer the mercury level at the open end of the tube is 215 mm higher than at the closed end of the tube. If the atmospheric pressure is 1 atm.

  How many moles of gas were added to the container

A gas sample containing 1.64 mol at 25°C exerts a pressure of 389 torr. Some gas is added to the same container, and the temperature is increased to 50.°C.

  Calculate the standard enthalpy of formation of octane

Octane (C8H18) undergoes combustion according to the following thermochemical equation: 2C8H18(l) + 25O2(g) ? 16CO2(g) + 18H2O(l) ?H°rxn = -11,020 kJ/mol. Given that ?H°f[CO2(g)] = -393.5 kJ/mol

  What is the initial concentration of the chlorine

Find what is the initial concentration of the chlorine before dilution - unknown concentrated chlorine

  How many ml of acetic acid should be added

You have 250.0 mL of a 0.56M solution of sodium acetate. How many mL of 0.50M acetic acid should be added to make a buffer of pH 4.40.

  Calculate the change in entropy of the system

The constant pressure molar heat capacities of ice and water are 37.7 J/ mol K and 75.3 J/ mol K respectively. The molar enthalpy of fusion of ice is 6.01 kJ/ mol at 0.00° C. The system consists of a 105 gram sample of H2O, initially in the form o..

  How physical-chemical properties of water contribute to life

Explain how does unique physical and chemical properties of water contribute to significance of water for life on Earth to survive.

  How much ammonium hydroxide is needed

How much ammonium hydroxide is needed to react completely with 75.0g of copper (2) nitrate in a double replacement reaction.

  How many mols of hydrogen can produce

how many mols of H 2 can produce

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd