How much flouride (in grams) did the second sample produce
Upon decomposition, one sample of magnesium fluoride produced 1.65 of magnesium and 2.57 of fluorine. A second sample produced 1.29 of magnesium. How much flouride (in grams) did the second sample produce?
Expected delivery within 24 Hours
Protons can be accelerated to speeds near that of light in particle accelerators. Estimate the wavelength (in nm) of such a proton moving at 2.90 X 108 m/s. (Mass of a proton=1.673 X 10-27 kg)
How many grams of water can be cooled from 33 to 20 by the evaporation of 37 of water? (The heat of vaporization of water in this temperature range is 2.4 . The specific heat of water is 4.18 .)
A flask containing gaseous N2 is irradiated with 25 nm light. The irradiated moleculars of N2 can absorb the energy from the light photons. Using the following information indicate what species can from in the flask during irradiation.
Aluminum has a specific heat of 0.900 J/g·°C. How much energy is required to raise the temperature of 160. g of aluminum from 20.0°C to 183.0°C?
Aluminum reacts with excess hydrochloric acid to form aqueous aluminum chloride and 36.8 mL of hydrogen gas over water at 27°C and 764 mmHg. How many grams of aluminum reacted?
Calculate the minimum volume of distilled water, in liters, necessary to completely dissolve a 7.5 g sample of AgBr (s) at 298K. The molar mass of AgBr is 188 g mol.
The combustion of octane produces carbon dioxide and water. If you start with 10.0 mol of octane, what mass of water (in grams) would you expect to produce?
The equilibrium constant for the reaction of bromine with chlorine to form bromine monochloride is 58.0 at a certain temperature.
1923844
Questions Asked
3,689
Active Tutors
1443147
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Explain one of Haidt's sub-claims in the book (e.g., social media harms teen and pre-teen girls development, leading to higher levels of depression and anxiety)
Having a 3D world can have both positive and negative effects on our society. The first positive is that people that live in different areas
What are some prominent social norms in your assigned country? Is conformity more common and expected in that country? Please provide examples.
Write a 3- to 5-page paper, excluding the cover page and reference page, describing a change that you have experienced. Follow APA 7th edition format.
Reflect on the information you read in Ch. 1 of Constitutional Law: Governmental Powers and Individual Freedoms.
Why does China believe that Taiwan should remain part of China? Should create land be treated differently than existing land?
As a teacher, it is vital to understand how the U.S. Constitution establishes a separation of power within the American government