The next elemental reaction in the gas phase carries an isothermally in a pbr: a + b > 2c. the inlet molar flow is 20 mol / min and 50% excess b is used. the volumetric flow is 100 dm3 / min and the pressure drop parameter is alpha = 0.025 kg-1, k = 9.75 ( l2 * kgcat ./ (mol * determine the catalyst weight required to achieve: a) 15% conversion b) 30% conversion

Which of these conditions most likely produces an unstable isotope?

Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal.b. he is determining chemical properties that are sufficient to identify the metal.c. he is determining physical properties that are insufficient to identify the metal.d. he is determining chemical properties that are insufficient to identify the metal.

What is the chemical formula of magnesium bromide? a. mgbr2 b. mgbr c. mg2br2 d. mg2br