C₂h₅0h+30₂→2co₂+3h₂0,the change of enthalpy was δh= - 1235.7 kj/mol
was heat lost or gained in the reaction
how do you know

Ineed to know the answer to this algebra question.

Acaterer charges $500 plus $30 per guest to cater a wedding. walt and traci don't want to spend more than $8000 on catering. write and solve an inequality in terms of the number of guests, g, that can be invited. a) 30g ? 8000; g ? 267 b) 500g < 8000; g < 16 c) 500 + 30g < 8000; g < 250 d) 500 + 30g ? 8000; g ? 250

700 miles the train takes 5 hours to a travel the distance at what unit rate is the train traveling?