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Marat540 [252]
3 years ago
15

Use your Cabbage pH Indicator Key to determine the pH of each. Enter the pH ranges into the data table.

Chemistry
2 answers:
raketka [301]3 years ago
6 0

Answer:

pH= 1/2 (acidic)

pH = 7 (neutral)

pH=8-9 (basic)

notsponge [240]3 years ago
4 0

Answer: pH :1-2 / acid

pH:7/neutral

pH:8-9/basic

Your welcome

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A lightning strike from the air may have started the fire by igniting dry vegetation. This example demonstrates interaction betw
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Atmosphere and Biosphere

Explanation:

8 0
3 years ago
What mass of potassium chloride, KCl, is produced when 12.6 g of oxygen, 02, is produced?
blagie [28]

Mass of KCl= 19.57 g

<h3>Further explanation</h3>

Given

12.6 g of Oxygen

Required

mass of KCl

Solution

Reaction

2KClO3 ⇒ 2KCl + 3O2

mol O2 :

= mass : MW

= 12.6 : 32 g/mol

= 0.39375

From the equation, mol KCl :

= 2/3 x mol O2

= 2/3 x 0.39375

=0.2625

Mass KCl :

= mol x MW

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= 19.57 g

4 0
2 years ago
Which of the following is an indicator of a chemical reaction?
yuradex [85]

Answer:

B

Explanation:

B is the best showing of a chemical reaction out of the choices

3 0
2 years ago
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ΔH for the formation of CuCl2 from its elements is -220.1 kJ/mol. How many kJ are associated with the formation of 0.30 mole of
otez555 [7]
0.3 * - 220.1 = - 66.03kJ
3 0
3 years ago
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A can contains a gas with a volume of 86 mL at 30oC. What is the volume in the can if it is heated to 65oC?
Ber [7]

Answer:

New volume of gas = 95.93 ml (Approx)

Explanation:

Given:

Old volume of gas = 86 ml

Old temperature = 30°C = 30 + 273 = 303 K

New temperature = 65°C = 65 + 273 = 338 K

Find:

New volume of gas

Computation:

V1T2 = V2T1

(86)(338) = (V2)(303)

New volume of gas = 95.93 ml (Approx)

8 0
3 years ago
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