1. How much energy in joules is used to convert 250 grams of ice (at -30 °C) to a gas with a temperature of 150 °C ?

If an area has high air pressure and low humidity, what type of weather will it most likely have? plz !

Surface currents are caused by blank space . question 14 options: surface currents are caused by? differences in water temperature high salinity differences in density wind forces

Abeaker with 2.00×102 ml of an acetic acid buffer with a ph of 5.000 is sitting on a benchtop. the total molarity of acid and conjugate base in this buffer is 0.100 m. a student adds 4.70 ml of a 0.360 m hcl solution to the beaker. how much will the ph change? the pka of acetic acid is 4.740.