__K2CO3+ ___ HCI --> ___KCI+ __H20 +___CO2
How many grams of H2O will be produced if 7.26 moles of CO2 moles were produced?

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Large helium-filled balloons are used to lift scientific equipment to high altitudes. what is the pressure inside such a balloon if it starts out at sea level with a temperature of 10.0ºc and rises to an altitude where its volume is twenty times the original volume and its temperature is – 50.0ºc ?

What best discribes the relationship between wavelength and frequency in a electromagnetic wave