Viết các phương trình phản ứng xảy ra khi cho lượng dư dung dịch H2XO4 loãng lần lượt vào các chất sau: Fe, KOH, MgO, Fe3O4 , FeS, KHCO3, BaCl2, Al(OH)3.

It has been two weeks since charles met with daniel, a dietitian, who provided charles with a menu for weight loss. charles and his mother are going back to see daniel again with a chart of the food charles has eaten. the following lists what charles ate in one day: breakfast 1 banana, 1 cup of nonfat milk, 1 egg lunch 1 cup of carrots, 3 oz of steak, 1 apple, 1 cup of nonfat milk dinner 6 oz of skinless chicken, 1 baked potato, 3 oz of broccoli, 1 cup of nonfat milk

What’s the scientific notation for the number 6,840,000,000

Which rate indicates the number of children that would be born per woman if she were to live to the end of her child bearing years