The piece of unknown metal is in thermal equilibrium with water such that Q of metal is equal to Q of the water. We write this equality as follows:
-Qm = Qw
Mass of metal (Cm)(ΔT) = Mass of water (Cw) (ΔT)
where C is the specific heat capacities of the materials.
We calculate as follows:
-(Mass of metal (Cm)(ΔT)) = Mass of water (Cw) (ΔT)
-68.6 (Cm)(52.1 - 100) = 42 (4.184) (52.1 - 20)
Cm = 1.717 -----> OPTION C
Answer:
<h2>X = - 6</h2>
Step-by-step explanation:
<h2>
<u />x + 2 = 1/2x - 1</h2>
<em>Hope</em><em> </em><em>this</em><em> </em><em>helps</em><em> </em><em>:</em><em>)</em><em> </em>
Answer:
-0.2+7k
Step-by-step explanation:
Rearrange the equation so that it is 1.8-2+7k
1.8-2=-0.2
You can't add 7k because it doesn't have a common variable
-0.2+7k
Answer:
no
Step-by-step explanation:
11/4 plus 11/4 is 22/4
to make this a whole number and a fraction we subtract 4 from the 22 as many times as we can. we can do this 5 times, with 2 left over.
the answer is 5 2/4, which you can simplify to 5 and a half