Chemistry, 15.12.2020 21:40 DASASDAEDWEDA
A 30g piece of iron is heated to 98 degrees Celsius...the specific heat of this iron
is 0.449 J per grams degrees Celsius. The iron is dropped into 120g of water that
before the reaction has a temperature of 43 degrees Celsius. What is the final
temperature of the total system? (the point of equilibrium for the iron in the cup of
water?)
Answers: 2
Chemistry, 22.06.2019 06:00
There are 6.022, 104 atoms of hg in 1 mole of hg the number of atoms in 45 moles of hg can be found by multiplying 4.5 by 6.022, 102 which is the number of atoms in 4.5 moles of hg, correctly written in scientific notation with the correct number of significant figures? 0 21,109 0 21,100 271, 1024 27.099, 100 mark this and retum save and exit submit
Answers: 1
Chemistry, 22.06.2019 07:40
21. consider the following chemical reaction: n2+ o2 2 no if 10.0 g of n2 reacts with excess oxygen then how many grams of no can be formed? a) 10.7 g b) 21.4 g c) 32.9 g d) 42.8 g page 4 of 8
Answers: 2
Chemistry, 22.06.2019 10:00
Main expenses you plan on making payments on a new car too. you want to spend 15% of your monthly net pay on the car payment, insurance, registration, and taxes combined. what is your monthly car allowance? $149.46 $298.91 $448.37 $597.83
Answers: 3
Chemistry, 22.06.2019 12:10
|using the periodic tablewarm-upuse the periodic table in the tools bar to answer the following questions.what elemental classification does oxygen belongto? done
Answers: 3
A 30g piece of iron is heated to 98 degrees Celsius...the specific heat of this iron
is 0.449 J per...
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