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iren2701 [21]
3 years ago
8

The question is below

Chemistry
1 answer:
Nezavi [6.7K]3 years ago
3 0
The correct conditions for measuring reduction potentials (the tendency to acquire electrons and become reduced), is 25C and 1M (or 1 mole/litre) for reactants - ANSWER B.
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Carbonyl sulfide has the chemical formula COS. Carbon has four valence electrons, and oxygen and sulfur each have six valence el
FrozenT [24]

Answer:

The attached image should be your answer for the Lewis Structure of COS

Explanation:

3 0
3 years ago
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If the half-life of a radioisotope is 250 years how much of a 96.0 gram sample will remain after 750 years
telo118 [61]

Answer:

12 grams

Explanation:

96g=0 years

48g=250 years

24g=500 years

12g=750 years

4 0
3 years ago
HELP PLS THIS IS SO HARD AHHHHHHH
wolverine [178]
1. The box like figure in the given image is the [BATTERY SOURCE] from where the current drawn into the circuit.

2. A string connecting positive terminal of battery to the bulb is an [ELECTRIC WIRE] through which current flows in the circuit.

3. A bubble like object in the circuit is a [BULB] which lights up when current moves through the circuit.

4. A component connected to the negative terminal of batter source is a [SWITCH].

The answer are uppercase.

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3 0
3 years ago
If 0.507J of heat leads to a 0.007 degree C change in water, what mass is present?
Ivanshal [37]

Answer:

17.3 g

Explanation:

<u>Given the following data;</u>

  • Quantity of heat, Q = 0.507 J
  • Temperature = 0.007°C
  • Specific heat capacity of water = 4.2 J/g°C

Mathematically, Heat capacity is given by the formula;

Q = MCT

Where;

  • Q represents the heat capacity or quantity of heat.
  • M represents the mass of an object.
  • C represents the specific heat capacity of water.
  • T represents the temperature.

Making "M" the subject of formula, we have;

Mass, \ m = \frac {Q}{CT}

Substituting the values into the formula, we have;

Mass, \ m = \frac {0.507}{0.007*4.2}

Mass, \ m = \frac {0.507}{0.0294}

<em>Mass, m = 17.3 grams</em>

3 0
3 years ago
How many molecules are in 1.00 gram of water, h2o?
arsen [322]
N(H₂O)=1g÷18g/mol=0,055mol
N(H₂O)=0,055mol · 6·10²³ 1/mol (Avogadro number)= 3,33·10²² molecules.
7 0
3 years ago
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