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Serggg [28]
4 years ago
9

As elevation increases, temperature decreases. At which elevation will sound travel fastest?

Chemistry
1 answer:
ehidna [41]4 years ago
6 0

Answer:

A sound wave is produced when an object vibrates

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Answer:

Except for mature red blood cells, all human cells contain a complete genome. DNA in the human genome is arranged into 24 distinct chromosomes—physically separate molecules that range in length from about 50 mil- lion to 250 million base pairs.

3 0
2 years ago
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Expressed in scientific notation(6.0 x 104) (3.1 x 10-1) =
levacccp [35]
The answer would be 1.86 x 10^4
4 0
3 years ago
how many grams of barium sulfate are produced if 10.0 grams of barium chloride are reacted is excess sulfuric acid​
kow [346]

Answer: 11.2 grams

Explanation:

The balanced chemical equation for reaction is:

BaCl_2+H_2SO_4\rightarrow BaSO_4+2HCl

To calculate the moles, we use the equation:

\text{Number of moles}=\frac{\text{Given mass}}{\text {Molar mass}}

a) moles of BaCl_2

\text{Number of moles}=\frac{10.0g}{208.23g/mol}=0.0480moles

According to stoichiometry :

As sulfuric acid​ is in excess , the limiting reagent is barium chloride as it limits the formation of product.

1 mole of BaCl_2 produces=  1 mole of BaSO_4

Thus 0.0480 moles of BaCl_2 require=\frac{1}{1}\times 0.0480=0.0480moles  of BaSO_4

Mass of BaSO_4=moles\times {\text {Molar mas}}=0.0480mol\times 233.38g/mol=11.2g

Thus 11.2 g of barium sulfate are produced if 10.0 grams of barium chloride are reacted is excess sulfuric acid​

7 0
3 years ago
How many electrons are needed in the molecule bcl3?
lubasha [3.4K]
The central boron atom in boron trichloride (BCl3) has six valence electrons as shown in Figure 1.2. Boron trichloride. There are a number of molecules whose total number of valence electrons is an odd number. It is not possible for all of the atoms in such a molecule to satisfy the octet rule.
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What conclusion can we draw from solubility curve​
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Take a look at this question:

https://brainly.in/question/24212862

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