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finlep [7]
3 years ago
8

A solid precipitate is formed from the reaction of lead nitrate and sodium chromate.

Chemistry
2 answers:
Helen [10]3 years ago
6 0
The correct answer would be filtration 
Serhud [2]3 years ago
4 0
I believe it's Filtration.
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A can of coke contains 25 mL of carbon dioxide gas at 100kPa. If you take it on a hike up Mount Everest and the pressure decreas
Mazyrski [523]

Answer:

50 mL

Explanation:

We can solve this problem by using Boyle's Law, which states that:

"For a fixed mass of an ideal gas kept at constant temperature, the pressure of the gas is inversely proportional to its volume"

Mathematically:

p\propto \frac{1}{V}

where

p is the pressure of the gas

V is the volume of the gas

The equation can be rewritten as

p_1 V_1 = p_2 V_2

where in this problem:

p_1 = 100 kPa is the initial pressure of the gas in the coke

V_1=25 mL is the initial volume

p_2=50 kPa is the final pressure

Solving for V2, we find the final volume:

V_2=\frac{p_1 V_1}{p_2}=\frac{(100)(25)}{50}=50 mL

7 0
4 years ago
If an atom has 6 electrons outside of its nucleus, which combination of protons and neutrons would result in a neutral atom?
777dan777 [17]
The answer will be: 6 protons, 6 neutrons. 
7 0
3 years ago
What type of weather is associated with high pressure?
maw [93]

Answer:

clouds and precipitation that minimize temperature changes.

Explanation:

7 0
3 years ago
When magnesium hydroxide reacts with nitric acid, it produces magnesium nitrate and water
shtirl [24]

It can be shown that matter is neither created nor destroyed in a chemical reaction by taking a critical look at the each atom in both sides of the reaction (reactant and product sides).

1 atom of Mg started the reaction and 1 atom is also present in the products.

8 atoms of O are present in the reactants and 8 is also present in the products.

4 H atoms are present in the reactants and 4 are also present in the products.

2 N atoms are present in the reactants and 2 are also in the products.

In other words, the total number of each atom that is present in the reactants are also present in the product. Nothing has been lost during the reaction, although, the forms of each atom might have changed.

More on the law of conservation of matter can be found here: brainly.com/question/20635180

7 0
3 years ago
Logan combines hydrogen chloride (hcl) and calcium hydroxide ca(oh)2. as a result, a reaction occurs and new substances are form
scoundrel [369]
B. Calcium chloride and water.
8 0
4 years ago
Read 2 more answers
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