The root-mean-squared speed of CH4 is 846 m s^-1. What is the temperature of the gas?

Q: Calculate the change in the enthalpy when 52.0 g of solid chrominium at 25*C and 1 atm pressure is o...

A: Molar mass of chromium is 52g/mol, which means 1mol of Cr = 52g of Cr.  According to stoichiometric ...

Q: Question # ei Name the following compounds: 1- HOCH2CH2OH CO2H 2 SH

A: 1) In this compound, two carbon atoms and two alcohol groups are present.  Two carbons indicates eth...

Q: Project 2: Food Dye Spectroscopy   If your solution is too strong or too weak to give accurate readi...

A: Absorbance and concentration are related through the Beer-Lambert law. Mathematically, it is express...

Q: For the reactionCH4(g) + 2O2(g)CO2(g) + 2H2O(g)ΔH° = -802.3 kJ and ΔS° = -5.2 J/KThe maximum amount ...

A: At a constant temperature and pressure, the maximum work that can be done by the system on the surro...

Q: 4. What is the frequency of a photon having an energy of 4.91 x 101/? (c 3.00 x 103 m/s, h s) 6.63 x...

A: The relation between the energy of a photon and frequency is shown by the equation (1) in which E is...

Q: What is the atomic mass of butane (C4H10)? (C:12; H:1) a. 28 b. 58 c. 116 d. 172

A: The atomic mass of a compound is the sum of the mass of all the atoms present in the molecular formu...

Q: write a balanced chemical reaction for the reaction of zinc with iodine, assuming that zinc and iodi...

A: Both zinc and iodine are in solid form which means they exist as Zn and I2

Q: What would the concentration of H3O+ be if the concentration of OH- was 1 x 10-5 M? [H3O+]  x [OH-] ...

A: The relation between [H3O+], [OH-] and Kw is as given. Here Kw is the auto-ionization constant for w...

Q: Project 2: Food Dye Spectroscopy   What is the relationship between absorbance and transmittance?

A: Absorbance is the measure of capacity of a sample to absorb light of a specified wavelength. Absorba...