The solution of Problem 283 of the collection on genera
If the total amount of your purchases from the seller Михаил_Перович more than:
- 16855 ₽ the discount is 15%
- 8428 ₽ the discount is 10%
- 4214 ₽ the discount is 7%
- 1686 ₽ the discount is 5%
- 843 ₽ the discount is 3%
- 421 ₽ the discount is 2%
- 84 ₽ the discount is 1%
Sold 7
Refunds 0
Good feedbacks 0
Bad feedbacks 0
283. When 2,1 g of iron and sulfur were combined with sulfur, 3.77 kJ were released. Calculate the heat of formation of iron sulphide.