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ivolga24 [154]
3 years ago
13

Which property of a substance can be determined using a pH indicator?

Chemistry
2 answers:
saul85 [17]3 years ago
5 0

Answer:

A. acidity

Explanation:

Acid-base indicators are usually weak acids or bases and they are chemical detectors for hydrogen or hydronium cations.

Nadya [2.5K]3 years ago
4 0

Answer:

A. acidity

Explanation:

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sleet_krkn [62]

Answer:

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Explanation:

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2 years ago
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How much water can be raised from 25*C (room temperature) to 37*C (body temperature) by adding the 2,000 kJ in a Snickers bar?
yuradex [85]

Answer:

m = 39834.3 g

Explanation:

Given data:

Mass of water raised = ?

Initial temperature = 25°C

Final temperature = 37°C

Energy added = 2000 Kj (2000 ×1000= 2000,000 j

Solution:

Formula:

Q = m.c. ΔT

Q = amount of heat absorbed or released

m = mass of given substance

c = specific heat capacity of substance

ΔT = change in temperature

ΔT = T2 - T1

ΔT =  37°C - 25°C

ΔT = 12°C

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2000,000j = m .4.184 g/j.°C. 12°C

2000,000j = m. 50.208 g/j

m =  2000,000j / 50.208 g/j

m = 39834.3 g

6 0
2 years ago
There is NO difference between ideal and real gases.<br> A.True<br> B.False
KIM [24]
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5 0
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The long-term weather patterns that are typical in a location are the location's___?
fenix001 [56]
Climate is an area's long-term weather patterns
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What is 4.9 + 3.822 is sig fig?
inna [77]

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