Calcium carbonate, CaCO3(s), the principal compound in limes…

Calcium carbonate, CaCO3(s), the principal compound in limestone, decomposes upon heating to CaO(s) and CO2(g). A sample of CaCO3 is decomposed, and the carbon dioxide is collected in a 2.50 L flask. After decomposition is complete, the gas has a pressure of 1.3 atm at a temperature of 31 °C. How many moles of CO2 gas were generated? Given the ideal gas law PV = nRT and the Ideal gas constant, R = 0.08206 L-atm/mol-K.

J. Singular or Plural. Change the number of the words below….

J. Singular or Plural. Change the number of the words below. If the word is singular, make it plural and if the word is plural, make it singular.  ¡    ¿    ñ    á    é    í    ó    ú    Á    É    Í    Ó    Ú    Ñ   1. el lápiz

G. Vocabulario. Complete each statement using the most appro…

G. Vocabulario. Complete each statement using the most appropriate word from the list below. Use each word only once.   ocho       estudiantes       maleta       país       diccionario       conductor       mujer       palabras       capital       profesora   1. La _______________ es del pasajero.

K. ¿Qué hora es? Write out the time in complete statement. D…

K. ¿Qué hora es? Write out the time in complete statement. Do not forget to use the phrase in Spanish to describe it if is morning, afternoon or evening. ¡    ¿    ñ    á    é    í    ó    ú    Á    É    Í    Ó    Ú    Ñ   1). 1:30 p.m.