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GrogVix [38]
3 years ago
11

What is the change in the enthalpy of 120 g/s acid heated in a double pipe heat exchanger from 25°C to 100°C, if the average hea

t capacity at constant pressure is 0.50 cal/g°C?
Chemistry
1 answer:
telo118 [61]3 years ago
3 0

Answer:

ojopjd

Explanation:

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What are complementary bases?
Radda [10]

Answer:

Two Sections that contain nitrogen of a nucleotide that bond together to connect strands of DNA or RNA.

Explanation:

3 0
2 years ago
The diagram below shows an electromagnet. Using your scientific knowledge, state the device that is used to measure the potentia
weeeeeb [17]

Voltmeter is the device that is used to measure the potential difference across the battery.

<h2>What are the usage of voltmeter?</h2><h3 /><h3>Usage of Voltmeter</h3>

Voltmeter is an instrument that measures voltages of both direct and alternating electric current. On a scale of voltmeter usually graduated in volts, millivolts (0.001 volt), or kilovolts (1,000 volts).

Voltmeter is connected in parallel form. It has a high resistance so that it takes negligible current from the circuit so we can conclude that Voltmeter is the device that is used to measure the potential difference across the battery.

8 0
2 years ago
What are valency and radicals
PolarNik [594]
Valency- it means the combing capacity if an element.
<span> radical- it  is an atom, molecule, or ion that has unpaired valence electrons or an open electron shell.
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6 0
2 years ago
What is the volume of a rock that has a mass of 50 grams and a density of<br> 5 g/ml?
Brut [27]

Explanation:

density = mass/ volume

so,

volume = mass/ density

volume = 50 g/ 5 g/ml³

volume = 10 ml³

3 0
2 years ago
A car traveling with constant speed travels 150km in 7200 s. What is the speed of the car
neonofarm [45]
75km/hr

A car traveling with constant speed travels 150km in 7200 s. What is the speed of the car
4 0
2 years ago
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