Ineed balancing these equations,
1. __ na + __ clz = __ nael
2. __ na + __ h2o = __...
Chemistry, 12.10.2019 22:10 toyensianelys130
Ineed balancing these equations,
1. __ na + __ clz = __ nael
2. __ na + __ h2o = __ naoh + __ hz
3. __ co + __ no = __ coz + __ nz
4. __ fezo3 + __ co = __ fe + __ a²
5. __ c + __ fezo3 = __ co + __ fe
you are supposed to fill in the blanks, u : )
Answers: 2
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The identities of substances are the same before and after which type of change
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Chemistry, 22.06.2019 18:00
Answer asap need it by wednesday morning carry out the following calculations on ph and ka of from data. i. calculate the ph of 0.02m hcl ii. calculate the ph of 0.036m naoh iii. calculate the ph of 0.36m ca(oh)2 iv. calculate the ph of 0.16m ch3cooh which has ka = 1.74 x 10-5 mol dm-3 v. calculate ka for weak acid ha which has a ph of 3.65 at 0.30m concentration vi. calculate the ka of a solution made by mixing 15.0 cm3 0.2m ha and 60.0 cm3 0.31m a-. [ph= 3.80] vii. calculate the ph of a solution made by mixing 15.0 cm3 0.1m naoh and 35.0 cm3 0.2m hcooh. [ka = 1.82 x 10-4 m]
Answers: 1
Chemistry, 22.06.2019 18:00
What amount of heat is exchanged when 106.2 grams of substance y goes from a liquid at 35 degrees celsius to a solid at the same temperature? melting point of substance y = 35 degrees c; δhvaporization = 3.67 j/mol; δhfusion = 3.30 j/mol. mwsubstance y = 28.22 g/mol. −12.4 j −3.51 x 102 j 1.24 x 101 j 351 j
Answers: 1
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