subject

Chemistry, 18.03.2020 03:59 silasjob09

A sample of an unknown compound, composed only of carbon and hydrogen, produced 2.56 g of CO, and 0.786 g of
H. O in a combustion analysis. What is the empirical formula of the unknown compound?

ansver

Answers: 2

Show answers

Another question on Chemistry

question

Chemistry, 22.06.2019 16:00

Answer asap : ( a. how does mucus prevent the entry of pathogens? b. describe two ways white blood cells protect us from pathogens.

Answers: 1

question

Chemistry, 23.06.2019 01:30

Which conclusion fits the data in the table? a. heat chemically changes chocolate and margarine. b. all solids become liquid at 100°f. c. removing heat from a substance it to melt. d. matter may change shape when it is heated.

Answers: 1

question

Chemistry, 23.06.2019 01:30

How many atoms are in 2 moles of phosphorus?

Answers: 1

question

Chemistry, 23.06.2019 01:30

What is the importance of interlocking the fingers and rubbing while washing hands? the palms are the dirtiest parts of the hands. the spaces between the fingers get washed. the backs of the hands get washed. the fingernails are the dirtiest parts of the hands

Answers: 1

You know the right answer?

A sample of an unknown compound, composed only of carbon and hydrogen, produced 2.56 g of CO, and 0....

Questions

question

Social Studies, 26.06.2019 15:30

1) who benefits from the radical republicans plan and who is harmed? 2) how will the radical republicans plan to reunite and heal the country? 3) h...

question

Biology, 26.06.2019 15:30

Which sentence best describes a gene? a. a gene is part of the cell membrane b. a gene is a complete protein c. a gene is a segment of a dna stran...

question

Social Studies, 26.06.2019 15:30

When is contour farming/plowing used?...

question

Mathematics, 26.06.2019 15:30

Find the period of the function [tex]y = - 4sin \frac{t}{3} [/tex]it's a sin/cos curve problem. ....

question

Mathematics, 26.06.2019 15:30

The solution set of |a| = 4 is {-4} {4} {-4, 4}...

question

Mathematics, 26.06.2019 15:30

Determine any point in the third quadrant for which tan(α)=4. one valid point = ? ? for this angle, sin(α) = ? ? you for your...

question

Mathematics, 26.06.2019 15:30

Find the solution of the equation x^2-4x-5=0...

question

Mathematics, 26.06.2019 15:30

Asap: clark is removing dirt from a rectangular section of his backyard to build a water feature. the section is 2 meters long and has an area of 10...

question

Mathematics, 26.06.2019 15:30

The solution set of the equation |x - 1| = 3 is {-2, 4} {-3, 3} {-4, 2}...

question

Biology, 26.06.2019 15:30

Which compound is released by photosynthesis and is used in cellular respiration? a. water b. atp c. oxygen d. carbon dioxide...

question

Mathematics, 26.06.2019 15:30

Find the surface area of the cylinder in terms of pi. 9cm and 19cm

question

Mathematics, 26.06.2019 15:30

What is the area of this triangle ?...

question

Mathematics, 26.06.2019 15:30

The ratio of the measures of the sides of a triangle is 21: 8: 14. if the perimeter of the triangle is 215 ft, find the length of each side....

question

Physics, 26.06.2019 15:30

An electric motor is connected to a battery. the current flows through brushes to a commutator ring, which is attached to a electromagnet turning thro...

question

Biology, 26.06.2019 15:30

Ascorpions cells undergo cellular respiration, just as a humans cells do. during cellular respiration, which process takes place? a. oxygen is used...

question

Mathematics, 26.06.2019 15:30

An e-book readers regularly sells for $220. it is on sale for 75% off. what is the sales price of the reader? uergnt...

question

Mathematics, 26.06.2019 15:30

Tyler and pearl went on a 20km bike ride that lasted for 3 hours. because of steep hills or the trail, they walked for most of the trip. their walking...

question

History, 26.06.2019 15:30

Under lincoln’s plan for reconstruction, what percentage of a state’s population had to swear an oath of loyalty to the union for the state to be read...

question

Mathematics, 26.06.2019 15:30

The table shows a function. x -5 / -4 / -3 / -2 / -1 / 0 / 1 / 2 / 3 f(x) -11 / -3 / 5 / 13 / 21 / 29 / 37 / 45 / 53 (a)is the function linear, expone...

question

Geography, 26.06.2019 15:30

What force would a bowler have to exert on a 6-kg bowling ball to cause it to accelerate at the rate of 4 m/s to the power of 2...

More questions: Chemistry Another questions