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kkurt [141]
3 years ago
15

An acid

Chemistry
1 answer:
Arte-miy333 [17]3 years ago
4 0
An acid a. has a high pH in solution.
b. turns blue litmus paper to red.
c. releases hydroxyl ions in solution.
d. has more hydroxyl than hydrogen (or hydronium) ions.

<span>An acid </span>turns blue litmus paper to red. The answer is letter B.
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How many moles of phosphoric acid would be needed to produce 15 grams of water?
bekas [8.4K]

Moles of phosphoric acid would be needed : 0.833

<h3>Further explanation</h3>

Given

15 grams of water

Required

moles of phosphoric acid

Solution

Reaction(decomposition) :

H3PO4 -> H2O + HPO3

mol water (H2O :

= mass : MW

= 15 g : 18 g/mol

= 0.833

From the equation, mol ratio H3PO4 = mol H2O = 1 : 1, so mol H3PO4 = 0.833

7 0
2 years ago
James decided to do an experiment with a can of soda. He opened a 340 g can of soda and left it open for a day. The next day, he
amm1812

Answer:

A - The can was open and gases were released.

8 0
2 years ago
How is thermal energy transferred between two objects that are at different temperatures?
qwelly [4]

Answer:

heat flows from the object that has more thermal more energy to the object with less thermal energy

8 0
3 years ago
Which scenario involves a reaction that is at equilibrium?
musickatia [10]

Answer:

the amount of products and reactants is constant

4 0
2 years ago
SiCl4 + H2O = H4SiO4 + HCl
vichka [17]

Hey there!

Balance the equation:

SiCl₄ + H₂O → H₄SiO₄ + HCl

Balance H.

2 on the left, 5 on the right. Add a coefficient of 3 in front of H₂O and a coefficient of 2 in front of HCl.

SiCl₄ + 3H₂O → H₄SiO₄ + 2HCl  

Balance O.

3 on the left, 4 on the right. Change the coefficient of 3 in front of H₂O to a 4.

SiCl₄ + 4H₂O → H₄SiO₄ + 2HCl  

This unbalanced our H, so change the coefficient of 2 in front of HCl to a 4.

SiCl₄ + 4H₂O → H₄SiO₄ + 4HCl  

Balance Cl.

4 on the left, 4 on the right. Already balanced.

Balance Si.

1 on the left, 1 on the right. Already balanced.

Our final balanced equation:

SiCl₄ + 4H₂O → H₄SiO₄ + 4HCl

Hope this helps!

8 0
3 years ago
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