A binary compound created by the reaction of an un-known element E and hydrogen contains 91.27% E

Question:

A binary compound created by the reaction of an un-known element E and hydrogen contains 91.27% E and 8.73% H by mass. If the formula of the compound is E₃H₈, calculate the atomic mass of E.

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Chemical Principles

ISBN: 978-1111580650

7th edition

Authors: Steven S. Zumdahl, Donald J. DeCoste

See More Books

Question Posted: May 04, 2015 08:25 AM

See More Questions

Hydrogen is produced commercially by the reaction of methane with steam: CH4(g) + H2O(g) CO(g) + 3H2(g) a. Calculate Ho and So for this reaction (use the data in Appendix 4). b. What temperatures...
Calculate the standard enthalpy change for the reaction of an aqueous solution of barium hydroxide, Ba(OH)2, with an aqueous solution of ammonium nitrate, NH4NO3, at 25oC. (Figure 6.1 illustrated...
A Cannizzaro reaction is the reaction of an aldehyde that has no Î±-hydrogens with concentrated aqueous sodium hydroxide. In this reaction, half the aldehyde is converted to a carboxylic...
Define pricing practices of tesla INC as well as market structure.
What is meant by and what are some examples of globalization?
Since 1975 the average fuel efficiency of U.S. cars and light trucks (SUVs) has increased from 13.5 to 25.8 mpg, an increase of over 90%! A random sample of 40 cars from a large community got a mean...
The data in Table 19.5 originate from the 1991 edition of the Historical Loss Development Study, published by the Reinsurance Association of American. These data have been widely used to illustrate...
Consider the piston ring data shown in Table 6.3. Assume that the specifications on this component are 74.000 ï±ï 0.05 mm. (a) Set up x and R control charts on this process. Is the...
A company determines that monthly sales S(t), in thousands of dollars, after t months of marketing a product is given by S(t) = 23-551 + 230t+ 160. a) Find S'(1), S'(2), and S'(4). b) Find S''(1),...
Goldman Sachs stock today has a price of 15 dollars. The annual risk free rate is 4 %. Suppose the 1 year forward price of Goldman Sachs is 15.2 and the 2 year forward price is 14.5. In each year,...
A sample of a hydrocarbon (a compound consisting of only carbon and hydrogen) contains 2.59 10 23 atoms of hydrogen and is 17.3% hydrogen by mass. If the molar mass of the hydrocarbon is between 55...
An ionic compound MX 3 is prepared according to the following unbalanced chemical equation: M + X 2 MX 3 A 0.105g sample of X 2 contains 8.92 10 20 molecules. The compound MX 3 consists of 54.47% X...
A computer in a closed room of volume 200 m3 dissipates energy at a rate of 10 kW. The room has 50 kg wood, 25 kg steel and air, with all material at 300 K, 100 kPa. Assuming all the mass heats up...
In your opinion, how is the future of the pizza industry in terms of order, production, and delivery?
Why do SEZs have different outcomes in different regions of the world?
Analyze the impact of entrepreneurial activity on sustainable development.
What is the definition of a culture?
What is the role of the pizza aquarium concept in Al Capizzas business model? In your opinion, how will millennials perceive this?
Income is often subdivided into revenues and gains, but is there a difference between them?
Which of the ocean zones shown would be home to each of the following organisms: lobster, coral, mussel, porpoise, and dragonfish? For those organisms you identify as living in the pelagic...
Why do real gases not always behave ideally? Under what conditions does a real gas behave most ideally? Why?
Consider the following velocity distribution curves A and B. a. If the plots represent the velocity distribution of 1.0 L of He(g) at STP versus 1.0 L of Cl2(g) at STP, which plot corresponds to each...
Consider the flasks in the following diagrams. Assuming the connecting tube has negligible volume, draw what each diagram will look like after the stopcock between the two flasks is opened. Also,...
Cases that raise substantial amount of interest in the use of "advanced directives" which allow individuals to put in writing their wishes regarding incapacitation or authorizing a proxy to make...
You are a college senior, interning at a company that is about to celebrate its first anniversary in business and is throwing a big party for its employees, customers and suppliers. It will need 10...
A marketing firm is hiring 3 new employees. Their job duties entail developing new marketing plans and to appear at certain promotional events. After all the candidates are interviewed, the marketing...

A binary compound created by the reaction of an un-known element E and hydrogen contains 91.27% E

Question:

Step by Step Answer:

Assuming 10000 g E 3 H 8 Mol E 873 ...View the full answer

Chemical Principles

Students also viewed these Chemical Engineering questions