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

Naturalistic Color Definition

Use the type of growth described below to estimate the missing values in the table. The growth in the table is continuously increasing and being tripled every f

the product of two consecutive number is 18 more than 8 times a number

Base your answer to the question on the diagram below and on your knowledge of biology. Hormone molecule Nucleus X Cell membrane DNA Structure X most likely fun

multiplication property of equality

Predicting Economic Activity Having economic data is good for historical knowledge, but it is also essential to attempt to predict future economic activity. Bas

The midpoint of AB is M (2, -2). If the coordinates of A are (8, 1), what are the coordinates of B?

XY=3K-2,YZ=7K+4,XZ=4K+38

Please compose an original post that explains at least two reasons why a new economic system led to increased migration to North America by Europeans and one ef

3m2+y/5 evaluate m=2and y=35