jwhdjhdug1671 jwhdjhdug1671
  • 27-03-2018
  • Chemistry
contestada

How much heat is required to warm 1.30 l of water from 24.0 ∘c to 100.0∘c? (assume a density of 1.0g/ml for the water.)?

Respuesta :

superman1987
superman1987 superman1987
  • 05-04-2018
when q = M* C *ΔT 

we can get the mass using the given volume & density:

M = volume * density 

   = 1.3 L * 1g/ml * 1000mL1L  

   = 1300 g 
and when the  specific heat of water = 4.18J/g.°C

now, by substitution:

∴ q = 1300g * 4.18J/g.°C * (100-24)

   = 412984 J or 412.984 KJ
Answer Link

Otras preguntas

2/5m-4+ is what =16+what
math question 8th grade
Find the value of 8*10^0
1. Energy from the Sun drives wind movements on Earth. 2. Frequent changes in temperature can cause cracks to form in rock formations. 3. Changes in species c
NEED HELP ASAP EXTRA POINTS 2 3/4% of $1,800 = Select one: a. $4950 b. $49.50 c. $413.33
Point M is 6 units away from the origin on the x-axis. What is point M?
There are many food carts near Mark’s university. Mark and his friends regularly buy hot dogs from Jeff’s cart. Recently, Andrea opened a business selling two-f
what is 0.87 repeating as a fraction
In the figure lines m and n are parallel to each other. Lines p and q are also parallel to each other. What is the value of x?
Help with both questions please