ellaholcomb12p297vv ellaholcomb12p297vv

22-04-2020
Chemistry

contestada

How much thermal energy is needed to raise the temperature of 4g of water
from 25°C to 75°C if water has a specific heat of 4.186 J/gºC
1. 850,000J
2. 840,000J
3. 740,000)
4. 840)

Respuesta :

jokeoluwasola jokeoluwasola

25-04-2020

Answer:

837.2J

Explanation:

m=4g,c=4.186 J/g/C, change in temperature=75-25=50 degree Celsius Q=?

using the formula

Q=mxcx change in theta

Q=4x4.186x50

Q=837.2J

Answer Link

Otras preguntas

A TV that usually sells for $167.38 is on sale for 30% off. If sales tax on the TV is 9%, what is the price of the TV, including tax?

Look at all of the ways that you have added carbon to the environment, list some actions that you can take to reduce your carbon footprint in the areas of trans

Why did Stalin compare Churchill "and his friends" to Hitler in paragraph 17?

what if ALL women had gained the right to vote at the same time?

Ben is 12 years older than Ishaan. Ben and Ishaan first met two years ago. Three years ago, Ben was 4 times as old as Ishaan. How old is Ishaan now?

The following system of equations is graphed below. y=-2x -9 y=2/3x +13/3 Find the solution to the system. A. x = 1, y = -5 B. x = -5, y = 1 C. x = -5, y =

Which letter on the map represents the location of the Qin Dynasty? A B С D

find the distance between the two points

find the value of given expression[tex] \sqrt{63 + 37} [/tex]

Which one of the following equations represents a circle with its center of origin? A) x^2 + y^2 = 5 B) x^2 + y = 25 C) x + y = 5 D) x/2 + y/2 = 25