subject
Chemistry, 05.12.2019 01:31 ashcash61

Considere as equações. : i- al2o3+hcl> alcl3+h2o. ii-so2+naoh> na2so3+h2o. iii- bao4+hno> ba (no3)2+h2o+o2 a sequência correta dos coeficientes dos reagentes e produto necessários para o balanceamento estequiométrico dessa equação é: i. a) 6,3,3,2. b)1,6,2,3 c)1,3,3,2 d)6,1,2,3 e)1,6,2,3 ii. a)1,2,1,1 b)2,1,1,1, c)2,1,2,2 d)2,1,2,2 e)1,2,1,1 iii a)2,1,2,2,2 b)1,1,2,1,1 c)1,2,1,1,1 d)2,1,2,2,2 e)1,2,1,1,1

ansver
Answers: 3

Another question on Chemistry

question
Chemistry, 21.06.2019 19:00
Apeak with a retention time of 407 s has a width at half-height (w1/2) of 7.6 s. a neighboring peak is eluted 17 s later with a w1/2 of 9.4 s. a compound that is known not to be retained was eluted in 2.5 s. the peaks are not baseline resolved. how many theoretical plates would be needed to achieve a resolution of 1.5?
Answers: 2
question
Chemistry, 21.06.2019 22:30
How many grams of n2h4 will be consumed by 23 g of n2o4
Answers: 1
question
Chemistry, 22.06.2019 03:00
Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture
Answers: 1
question
Chemistry, 22.06.2019 05:30
Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?
Answers: 2
You know the right answer?
Considere as equações. : i- al2o3+hcl> alcl3+h2o. ii-so2+naoh> na2so3+h2o. iii- bao4+hno>...
Questions