subject
Chemistry, 03.12.2020 04:00 km8115

2300. Grams of warm water at 30 ºC is mixed with a solid piece of brass at 80 ºC. if the temperature settles at 70 ºC, what must the mass of the piece of brass be?

ansver
Answers: 3

Another question on Chemistry

question
Chemistry, 22.06.2019 07:30
Given that 1 mi = 1760 yd, determine what conver- sion factor is appropriate to convert 1849 yd to miles; to convert 2.781 mi to yards.
Answers: 2
question
Chemistry, 22.06.2019 16:50
Answer asap need by wednesday morning explain how a buffer works, using an ethanoic acid/sodium ethanoate system including how the system resists changes in ph upon addition of a small amount of base and upon addition of a small amount of acid respectively. include the following calculations in your i. calculate the ph of a solution made by mixing 25cm3 0.1m ch3cooh and 40cm3 0.1m ch3coo-na+. [ka = 1.74 x 10-5 m] ii. calculate the ph following the addition of a 10cm3 portion of 0.08 m naoh to 500cm3 of this buffer solution. iii. calculate the ph following the addition of a 10cm3 portion of 0.08 m hcl to 200cm3 of the original buffer solution.
Answers: 1
question
Chemistry, 22.06.2019 22:30
Consider a culture medium on which only gram-positive organisms such as staphylococcus aureus colonies can grow due to an elevated nacl level. a yellow halo surrounds the growth, indicating the bacterium fermented a sugar in the medium, decreasing the ph as a result and changing the color of a ph indicator chemical. this type of medium would be referred to as a differential and enrichment culture.
Answers: 2
question
Chemistry, 23.06.2019 06:00
How does a coronal mass ejection (cme) affect the solar wind? a cme adds more particles to the solar wind, intensifying it. a cme blocks the solar wind, causing it to fade. a cme does not affect the solar wind but it does affect auroras. a cme increases the amount of energy in the solar wind.
Answers: 2
You know the right answer?
2300. Grams of warm water at 30 ºC is mixed with a solid piece of brass at 80 ºC. if the temperature...
Questions
question
World Languages, 18.06.2021 14:00
question
Social Studies, 18.06.2021 14:00
question
Chemistry, 18.06.2021 14:00
question
Mathematics, 18.06.2021 14:00
question
English, 18.06.2021 14:00
question
Mathematics, 18.06.2021 14:00
question
Mathematics, 18.06.2021 14:00