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alisha [4.7K]
4 years ago
6

Please help, I'm struggling with stoichiometry

Chemistry
1 answer:
rusak2 [61]4 years ago
3 0

Answer:

a) HNO3

b) 26.8g (3 s.f.)

c) 1.29g (3 s.f.)

Please see the attached pictures for full solution.

To balance an equation, ensure that the number of atoms for each element is the same on both sides.

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Asbestos, silica, and what else are material hazards which can pose severe dangers to construction workers health?
Lapatulllka [165]

Answer:

There are over 10 hazards or more at construction sites ,below are examples

Explanation:

1.Working at height.

2.Moving objects.

3.Slips, trips, and falls.

4.Noise.

5.Hand arm vibration syndrome.

6.Material and manual handling.

7.Collapsing trenches.

8.Asbestos.

9.Electricity.

10.Airborne fibres and materials.

4 0
3 years ago
A foundry produces circular utility access hatches (manhole covers). Currently, 120 covers are produced in a 10-hour shift. If l
SOVA2 [1]

Answer:

14.4 covers/hr.

Explanation:

First, we need to identify how much covers are produced in 1 hour, which will be total produced divided by the total time:

covers/hr = 120/10

covers/hr = 12

If the production will be increased by 20%, it means that new production will be the initial one plus 20% (0.20) of it:

12 + 0.20*12 =  14.4 covers/hr.

6 0
3 years ago
In what two ways can an object possess energy?
-BARSIC- [3]

Explanation:

An object can possess energy in tow ways by it's motion or position

5 0
3 years ago
Draw the structure of the major nitration product from the reaction of nitric acid with 1,3‑dimethylbenzene. Show all formal cha
solong [7]

The 2,4 and 5 positions are accessible for nitration of 1,3‑dimethylbenzene. The final product is shown in the image attached.

<h3>What is nitration?</h3>

Nitration is a type of reaction in which the nitro group (-NO2) is introduced to an aromatic ring. We have to note that in the compound 1,3‑dimethylbenzene, the 2,4 and 5 positions are accessible for nitration as shown.

Hence, the nitration of 1,3‑dimethylbenzene occurs  as shown in the image attached with the compound shown being the major product.

Learn more about nitration: brainly.com/question/5346392

7 0
2 years ago
Which of the following fractions can be used in the conversion of 25 m3 to the unit cm3?
zaharov [31]

your answer would be C hope this helps

8 0
4 years ago
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