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Jlenok [28]
3 years ago
13

Will give Brainliest to the best answer! Please help ASAP!

Chemistry
1 answer:
vazorg [7]3 years ago
6 0
Calcium is less reactive then the others
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What is the range of 14 and 25
Alexxandr [17]
Range means the difference between the highest and lowest number. So subtract 25 - 14 which gives you 11.
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3 years ago
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What is the Bronsted acid of H2PO4- + OH-. ---- HPO42- + H2O?​
RoseWind [281]

Answer:

The bronsted- Lowry acid is H₂PO₄⁻

Explanation:

Bronsted-Lowry acid  donates a proton (H⁺)

H₂PO₄⁻ + OH⁻ → HPO₄²⁻ + H₂O

In the reaction above, H₂PO₄⁻ is donating the proton to OH⁻ resulting in H₂O and the deprotonated species. This makes it a bronsted-Lowry acid.

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3 years ago
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What volume and mass of steam at 100 Celsius and 760. torr (or 1 atm) would release the same amount of energy as heat during con
erastova [34]
  
<span>As we know that
1 cu cm H2O = 1 mL H2O = 1g H2O 
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Heat of fusion of water = 79.8 cal/g 
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Atomic weight of water : H=1 O=16 H2O=18 
now by calculating and putting values

65.5gH2O x 79.8cal/gH2O x 1gH2O/540cal = 9.68g H2O (steam) 

9.68gH2O x 1molH2O/18gH2O x 22.4LH2O/1molH2O = 12.0 L H2O
hope it helps</span>
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Help please !!!
castortr0y [4]

Answer:

B

pls mark

Explanation:

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5 The apparatus shown below was set up. Give explanations for the following observations.
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hope it helps brainliest pls

Explanation:

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