pandagirl5030 pandagirl5030

01-01-2020
Chemistry

contestada

How many grams of water will absorb a total of 2400 joules of energy when the temperature changes from 10.0°C to 30.0°C?

Respuesta :

anfabba15 anfabba15

02-01-2020

Answer:

28.7 grams of water

Explanation:

Calorimetry problem:

Q = C . m . ΔT

2400 J = 4.18 J/g°C . m . (30°C - 10°C)

2400 J = 4.18 J/g°C . m . 20°C

2400J = 83.6 J/g . m

2400J / 83.6 g/J = m

28.7 g = m

Answer Link

Otras preguntas

Briefly describe major sings childhood

A circuit consists of a capacitor of 2 F and a resistor of 1000 Ω. An alternating current e.m.f of 12 V and a frequency 50 Hz is applied. Find; (i) the current

Which of the following statements regarding tip income is true? A. If the taxpayer is an indirectly tipped employee (for example, a busser or bartender) he or s

El invierno que viene Ricardo Rojas Response area dos semanas de vacaciones. El y su familia Response area un viaje a Panama. Alli ellos podrán pasar unos dias

what is the type of introduction of lebanon's drinking water

I need help with this please, my test is tomorrow and my teacher left the school.

What is 3x + 15 <_30

Please HELP! Select a figure from the options which continues the same series as shown by the problem figures. I need answer please.

Iodine-131 is used to treat a hyperactive thyroid gland. the half-life of iodine 131 is 8.02 d. If a hospital receives a 215.25 g shipment of iodine 131, how mu

Evaluate 6 + 4/a + b/3 when a=4 and b=3.