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Natasha_Volkova [10]
2 years ago
12

The materials in the flux covering on an electrode determine the electrical characteristics of the electrode.

Chemistry
1 answer:
nataly862011 [7]2 years ago
8 0

Answer:

a. true

Explanation:

It is true that, the materials in the flux covering on an electrode determine the electrical characteristics of the electrode.

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Complete the reaction, which is part of the electron transport chain. The abbreviation Q represents coenzyme Q. Use the appropri
fredd [130]

Answer:

x = 2+

Explanation:

1) FADH2 + Q => FAD + QH2

Since H is added to Q

=> Reactant reduced is Q

(2) Balancing charges on both sides of the equation gives:

QH2 + 2 cyt c(Fe3+) => Q + 2 cyt c(Fe2+) + 2 H+

Thus x = 2+

7 0
3 years ago
using information about natural laws explain why some car crashes produce minor injuries and others produce catastrophic injurie
Roman55 [17]

My main reason would be momentum – it depends on the mass as well as the speed of the colliding objects. For example if two sedans travelling in a low speed bump each other, then probably the damage would be minimal scratches. However, if a high speed car crashes unto a heavy truck also travelling fast, then the result would be catastrophic. 

7 0
3 years ago
If 57.0 g of b2o3 is added to 44.7 g of cl2 and 68.8 g of c, what is the theoretical yield of boron trichloride?
sdas [7]
(57.0 g B2O3 / (69.6202 g B2O3/mol) x (4mol BCI3 / 2 mol B2O3) = 1.64 mol BC13

(44.7 g C12) / (70.9064 g C12/mol) x (4mol BCI3 / 6mol C12) = 0.42027 mol BC13

(68.8 g C) / (12.01078 G C/mol) x (4mol BCI3 / 3 mol C) = 7.63 mol BCI3

C12 is the limiting reactant.

(0.42027 mol BCI3) X (117 . 170 g BCI3/mol) = 49.2 g BCI3 in theory.
6 0
3 years ago
What is the molecular formula of the compound CH2 with molar mass = 42.0 g/mol? A. C2H18 B. C2H4 C. CAHg O D. C3H6​
nika2105 [10]

Answer:

i think c

Explanation:

4 0
2 years ago
Read 2 more answers
Describe the preparation of<br>2.ool of o. 108M Bacl2 from<br>Bacl2.2HO (244.3 /mol)​
ololo11 [35]

Answer:

We have to weigh 52.8 g of BaCl₂·2H₂O, add it to a 2.00 L flask and add water until reaching the final volume.

Explanation:

<em>Describe the preparation of 2.00 L of 0.108 M BaCl₂ from BaCl₂·2H₂O. (244.3 g/mol).</em>

Step 1: Calculate the moles of BaCl₂

We need to prepare 2.00 L of a solution that contains 0.108 moles of BaCl₂ per liter of solution.

2.00 L × 0.108 mol/L = 0.216 mol

Step 2: Calculate the moles of BaCl₂·2H₂O that contain 0.216 moles of BaCl₂

The molar ratio of BaCl₂·2H₂O to BaCl₂ is 1:1. The moles of BaCl₂·2H₂O required are 1/1 × 0.216 mol = 0.216 mol.

Step 3: Calculate the mass corresponding to 0.216 mol of BaCl₂·2H₂O

The molar mass of BaCl₂·2H₂O is 244.3 g/mol.

0.216 mol × 244.3 g/mol = 52.8 g

We have to weigh 52.8 g of BaCl₂·2H₂O, add it to a 2.00 L flask and add water until reaching the final volume.

5 0
3 years ago
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