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lora16 [44]
3 years ago
11

Which element(s) is being reduced in the redox reaction below? 6 nh4clo4 (s) + 10 al(s) 5 al2o3 (g) + 6 hcl (g) + 3 n2 (g) + 9 h

2o (g) n and al h cl o?
Chemistry
1 answer:
vitfil [10]3 years ago
4 0
The answer is Cl because its oxidation number goes from a +7 down to a -1.
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A
DIA [1.3K]
  • V_1=49.8mL
  • T_1=18°C=291K
  • T_2=83°C=356K

Using Charles law

\\ \sf\longmapsto V_1T_2=V_2T_1

\\ \sf\longmapsto V_2=V_1T_2\div T_1

\\ \sf\longmapsto V_2=\dfrac{49.8(356)}{291}

\\ \sf\longmapsto V_2=\dfrac{17728.8}{291}

\\ \sf\longmapsto V_2=60.9mL

5 0
3 years ago
A theater director reinterprets a play by replacing its classical score with
cricket20 [7]

Answer:

The play will be more  appealing to a younger audience.

Explanation:

A younger audience will more likely appreciate current pop hits rather than classical score.

4 0
3 years ago
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Give the symbol of the ion that contains 34 protons and 36 electrons
MariettaO [177]
Se2- has 34 protons and 36 electrons so it gets a 2- charge.
5 0
3 years ago
A tank of gas is found to exert 8.6 atm at 38°C. What would be the required
Vesna [10]

Answer:

36.2 K

Explanation:

Step 1: Given data

  • Initial pressure of the gas (P₁): 8.6 atm
  • Initial temperature of the gas (T₁): 38°C
  • Final pressure of the gas (P₂): 1.0 atm (standard pressure)
  • Final temperature of the gas (T₂): ?

Step 2: Convert T₁ to Kelvin

We will use the following expression.

K = °C +273.15

K = 38 °C +273.15 = 311 K

Step 3: Calculate T₂

We will use Gay Lussac's law.

P₁/T₁ = P₂/T₂

T₂ = P₂ × T₁/P₁

T₂ = 1.0 atm × 311 K/8.6 atm = 36.2 K

6 0
3 years ago
What are six traits of a good scientific observer
Ratling [72]
1. Curiosity-They love to learn                                                                                      2. Open-mindedness- he accepts criticisms fairly well 
3. Rationality- he does not believe in superstitions and think that everything has a scientific explanation 
4. Critical Mindedness & Correct Judgement- he does not easily jump to conclusions but tries to verify his results by (if possible) repeating the experiment 
5. Intellectual Honesty- does not alter his observations and writes the correct observations he has seen 
6. Objectivity-<span> he writes accurate results 

Hope This Helped :D</span>
8 0
3 years ago
Read 2 more answers
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