9. Determina la cantidad de calor necesaria en kilocalorías para convertir 20g de hielo, que se encuentra a -10° C hasta H20 a 20° C.
a. 1.6
b. 0.6
c. 2.2
d. 2.0

For the below questions, consider a consumer that consumes two goods, x and z with the following utility function. u with bar on top space equals space x to the power of 1 third end exponent z to the power of 2 over 3 end exponent suppose initial values for income and the prices of goods x and z are y equals 90, p subscript x equals space 10, and p subscript z equals 15 respectively, then the price of good x falls to syntax error from line 1 column 89 to line 1 column 100. unexpected '\'.. what is the magnitude of the total effect