Alguém poderia me explicar como balancear uma equação

Babies who do not receive enough of the right types of foods are in danger of suffering from what

How many moles of nitrous oxide gas (N2O) is contained in 20.0 L balloon at a pressure of 1.09 atm and a temperature of 298K?

In the reaction MgCl2 + 2KOH Mg (OH) 2 + 2KCl, if 3 moles MgCl2 are added to 4 moles KOH, what determines how much Mg (OH) 2 is made? A. The amount of MgCl2 + KOH B. The amount of KCl C. The amount of MgCl2 D. The amount of KOH

Atoms bond to form a valence electron shell of 8 electrons in order to ...

Select all that apply. Which of the following are characteristics of bases. contain hydroxide ion or produce it in a solution taste bitter feel slippery produce hydronium ion in a solution

How was helium first discovered?

When is alpha particle emission most likely to occur? A. When the nucleus has more than 83 protons. B. When the ratio of neutrons to protons in the nucleus is too high to be stable. C. When the nucleus has a mass of more than 83 amu. D.

Researchers used a combustion method to analyze a compound used as an antiknock additive in gasoline. A 9.394 mg sample of the compound yielded 31.154 mg of carbon dioxide and 7.977 mg of water in the combustion.

The formula for binary ionic compound formed between cesium and fluorine

If the mass of a material is 76 grams and the volume of the material is 16 cm3, what would the density of the material be? g/cm3