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meriva
3 years ago
9

What solution turns litmus paper red? A. Acidic B. Basic C. Neutral D. None

Chemistry
2 answers:
Aleonysh [2.5K]3 years ago
8 0
A acidic because the lit mass paper didn't turn blue or stay the same color
astra-53 [7]3 years ago
5 0

<u>Answer:</u> The correct answer is Option A.

<u>Explanation:</u>

Litmus paper is defined as the indicator which is used to determine the nature of the solution, whether it is acidic or basic.

Two types of litmus paper are:

  • <u>Red litmus paper:</u> This paper will turn blue if it is dipped in basic solution and it remains as such if it is dipped in acidic solution.
  • <u>Blue litmus paper:</u> This paper will turn red if it is dipped in acidic solution and remains as such if it is dipped in basic solution.

When this paper is dipped in neutral solution, the litmus paper (whether it is red or blue) will remain as such.

Hence, the correct answer is Option A.

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Please help on both I apologize for the horrible quality
NemiM [27]

Answer:

Explanation:

1)

H₂SO₄:

Element (symbol)     No of atoms in         No of compounds        Total atoms

                                    1 molecule                   coefficient

H                                              2                            1                                 2

S                                               1                                                                1

O                                              4                                                               4

2)

2H₃PO₄:

Element (symbol)     No of atoms in         No of compounds        Total atoms

                                    1 molecule                   coefficient

H                                              3                            2                                 6

P                                               1                                                                2

O                                              4                                                                8

There are two mole of H₃PO₄. One mole contain 3 hydrogen atom, 1 phosphorus atom and 4 oxygen atoms. Thus in two mole of compound 6 hydrogen atoms, 2 phosphorus atom and 8 oxygen atoms are present.

4 0
3 years ago
0.3 / 48 tsps x 100 =<br> help mee
Vinil7 [7]

Answer:

0.625

Explanation:

i hope this is correct! and that it helps!! c:

5 0
3 years ago
As a whole, plants tend to release more oxygen than carbon dioxide into the environment, but the ratios of gases differ at vario
marshall27 [118]

During the day, due to the existence of sunlight, the procedure of photosynthesis elevations over that of respiration. Photosynthesis uses carbon dioxide to produce carbohydrates removing oxygen as a byproduct. During the night, because there is no sunlight, the rate of photosynthesis decreases. This, therefore, drives the rate of respiration to surpass the speed of photosynthesis. In respiration, oxygen is consumed and carbon dioxide is dismissed.

<h3>What is photosynthesis?</h3>
  • Photosynthesis is the process by which manufacturers use sunlight, water, and carbon dioxide to produce oxygen and energy in the form of sugar.
  • The primary position of photosynthesis is to transform solar energy into chemical energy and then reserve that chemical energy for prospective use. For the most part, the planet's living designs are powered by this process.
  • An illustration of photosynthesis is how plants convert sugar and significance from water, air, and sunlight into energy to grow. Description of photosynthesis is the procedure through which plants use water and carbon dioxide to assemble their food, grow and remove excess oxygen into the air.

To learn more about photosynthesis, refer to:

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3 0
1 year ago
9. Calculate the specific heat capacity of titanium if a 43.56 g sample absorbs 0.476 kJ as its temperature changes from 20.5 oC
Shalnov [3]

Answer:

c = 0.528 J/g.°C

Explanation:

Given data:

Mass of titanium = 43.56 g

Heat absorbed = 0.476 KJ  = 476 j

Initial temperature = 20.5°C

Final temperature = 41.2°C

Specific heat capacity = ?

Solution:

Specific heat capacity:

It is the amount of heat required to raise the temperature of one gram of substance by one degree.

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 = 41.2°C - 20.5°C

ΔT = 20.7 °C

476 J = 43.56 g × c × 20.7 °C

476 J = 901.692 g.°C × c

c = 476 J / 901.692 g.°C

c = 0.528 J/g.°C  

8 0
3 years ago
Does weed still have the same effects when put in food or drinks?
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Yeah, it sure does
 
Hope this helps!


7 0
3 years ago
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