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yaroslaw [1]
3 years ago
5

Calcium+Hydrochloric acid=

Chemistry
2 answers:
mezya [45]3 years ago
6 0

Answer:

You get Ca(II)H^2

Explanation:

This is a reaction type equation calcium reacts with HA and forms a bond.

Anastaziya [24]3 years ago
4 0

Answer:

Ca + 2HCl = CaCl2 + H2

Explanation:

Coz,

This reaction is a single displacement reaction....so, Calcium (Ca) metal is reacting with Hydrochloric acid (HCl). the Ca replaces the H in HCl and we end up with CaCl2 and H2.

Calcium + Hydrochloric acid → Calcium chloride + Hydrogen gas

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Which number is equal to –906,060?
mamaluj [8]
In absolute value it is equal to 906,060
In scientific notation it is equal to -9.06,060^5
7 0
3 years ago
Determine the freezing point of a solution which contains 0.31 mol of sucrose in 175 g of water. kf = 1.86ï°c/m
barxatty [35]
Freezing point depression is a colligative property.

The formula that rules it is:

ΔT f = Kf * m

Where m is the molality of the solution => m = moles of solute / Kg of solvent

=> m = 0.31 mol / 0.175 kg = 1.771 m

And kf = 1.86 °C/m

=> ΔTf = 1.771 m * 1.86 °C / m = 3.3 °C

 => Freezing point of the solution = normal freezing point of water - 3.3 °C = 0 - 3.3°C = - 3.3°C.

Answer: -3.3 °C


8 0
4 years ago
When alkanes react with chlorine in the presence of ultraviolet light, chlorine atoms substitute for one or more alkane hydrogen
Effectus [21]

Answer:

6

Explanation:

Alkanes undergo substitution reaction so the number of replacement reaction hydrogen is 6

5 0
3 years ago
Why does the conversion of water vapor to liquid water make the air around it warmer?
PIT_PIT [208]
Due to the temperature of the surrounding earth
4 0
4 years ago
Below are 10 different metric prefixes and their abbreviations. Match them up. :)
Sladkaya [172]

Answer:

1.G → giga  

2.da → deca

3.n → nano

4.m → milli

5.M → mega

6.k → kilo

7.c → centi

8.d → deci

9.h → hecto

10.µ → micro

Explanation:

In descending order:

1.G → giga (1 . 10⁹)  

5.M → mega (1 . 10⁶)

6.k → kilo (1 . 10³)

9.h → hecto (1 . 10²)

2.da → deca (1 . 10¹)

8.d → deci (1 . 10⁻¹)

7.c → centi (1 . 10⁻²)

4.m → milli (1 . 10⁻³)

10.µ → micro  (1 . 10⁻⁶)

3.n → nano (1 . 10⁻⁹)

In example:

1000000 m = 1 Mm

0,000000001 m = 1 nm

7 0
3 years ago
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