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podryga [215]
4 years ago
14

How might proper lab techniques impact a scientist work?

Chemistry
1 answer:
lana [24]4 years ago
7 0
Because if the the technique is wrong the scientist is wrong I’m sorry it’s a bad answer :(
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For the reaction hconh2(g)⇌nh3(g)+co(g), k= 4.84 at 400 k what can be said about this reaction at this temperature? view availab
podryga [215]

Answer: the reaction contains significant amounts of products and reactants at equilibrium.

Explanation:

Equilibrium constant is defined as the ratio of concentration of products to the concentration of reactants each raised to the power their stoichiometric ratios. It is expressed as K_{eq}

K_{eq} is the constant of a certain reaction at equilibrium for gaseous reactants and products.

For reaction : HCONH_2(g)\rightleftharpoons NH_3(g)+CO(g)

K_{eq}=\frac{[NH_3]\times [CO]}{[HCONH_2]}

4.84=\frac{[NH_3]\times [CO]}{[HCONH_2]}

The equilibrium lies far to the right when K is much greater than 1.

The equilibrium lies far to the left when K is much lesser  than 1.

Thus as the value of K_{eq} is greater than 1, which means  the reaction contains significant amounts of products and reactants at equilibrium.

5 0
3 years ago
balance the following equation and then find the mole ratio of Mg and Mn in the equation Mg + Mn2O3 --> MgO + Mn
Gemiola [76]

Answer:

3Mg + Mn2O3 → 3MgO + 2Mn

Explanation:

I think this is how to balance I really don't understand the rest, I have not done this in years sorry!

5 0
3 years ago
. Nhiệt độ ban đầu của 344 g một mẫu sắt là 18,2oC. Nếu mẫu sắt này hấp thụ 2,25 kJ nhiệt lượng thì nhiệt độ cuối của mẫu sắt nà
Mrrafil [7]

Answer:

ano poh paki ult kasi hindi mahintindihan yan question mo hindi mahintindihwn

8 0
2 years ago
Read 2 more answers
Pls help!!! I will mark you as brainliest if you answer the question!!
SVEN [57.7K]

1 — Element D and A ( Which are Sodium and aluminium )

2 — ( 2 + 8 + 3 = 13 electrons total ) Element A Because it's atomic number is 13.

3 — Element E Is stable. ( Which is Argon )

( Note, Elements which has 8 election on its outermost cell is stable. ( Helium is exception which is a noble gas but have 2 electrons in outermost cell )

4 — Element F , which is hydrogen. ( Hydrogen is the only element to not have any neutron )

5 — Element D ( Which is sodium )

6 — The element F ( Which is hydrogen ) Don't contain any neutron.

________________________________

5 0
3 years ago
What is the percent composition of the element hydrogen in the compound methane CH4
Tamiku [17]

Answer:

The answer is 25.14 percent. Hope this helps.

6 0
3 years ago
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