Chemistry
Chemistry, 19.03.2021 19:10, CoolRahim9090

A 25.0 mL sample of water is at 30.0 degrees Celsius. a piece of metal is added to the sample of water and the tempature of the water decreases to 20.0 degrees Celsius. which of the following statements could be true about the piece of metal? awnsers:
1. the initial temlature of the metal was 10.0 degrees Celsius
2. the initial tempature of the metal was 20.0 degrees Celsius
3. the initial tempature of the metal was 30.0 degrees Celsius
4. the initial tempatuee of the metal was 40.0 degrees Celsius ​

answer
Answers: 3

Other questions on the subject: Chemistry

image
Chemistry, 21.06.2019 22:30, tot92
Imagine that you’re getting ready to move to a new city. when people move, they are influenced by push factors and pull factors, and you have many reasons for your move. which of the following factors is an example of a pull factor? a. wanting to move because you’ve found a great new school somewhere new b. needing to move because there are not enough resources in your old hometown c. being forced to move because your old home is gone d. having to move because there are no jobs in your current hometown
Answers: 1
image
Chemistry, 22.06.2019 10:30, scott5315
Consider the following reactions. (note: (s) = solid, (l) = liquid, and (g) = gas.) mg(s) + ½o2(g) → mgo(s) + 146 kcal/mole h2(g) + ½o2(g) → h2o(g), δh = -57.82 kcal/mole what type of reaction is represented by the previous two examples?
Answers: 3
image
Chemistry, 22.06.2019 11:40, jerrysandoval22
Which of these expressions are correct variations of the combined gas law? p1v1t2 = p2v2t1 both
Answers: 2
image
Chemistry, 22.06.2019 22:30, jaylenmiller437
The diagram shows the relationship between scientific disciplines. the names of some scientific disciplines have been removed from the boxes. which scientific discipline belongs in the blue box? a. physics b. biology c. chemistry d. metallurgy
Answers: 2
Do you know the correct answer?
A 25.0 mL sample of water is at 30.0 degrees Celsius. a piece of metal is added to the sample of wat...

Questions in other subjects:

Konu
Mathematics, 30.03.2021 16:10