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Lyrx [107]
3 years ago
5

Which element is placed in the same period as ruthenium but has a higher atomic number than it?

Chemistry
1 answer:
emmasim [6.3K]3 years ago
8 0

Answer:

The part that is put in the same time as ruthenium, but has a greater number of atoms than silver.

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When adding the measurements 42.1014 g + 190.5 g, the answer has ___ significant figures.
andrezito [222]

Answer: The answer has 7 significant figures

Explanation:

 The addition of  190.5  and 42.1014 will give 232.6014.  Counting the digits will give 7 significant figures.

4 0
3 years ago
Key terms: Reset Compounds that contain a carbon-carbon double bond are known as ____________ . Alkenes are electron rich; there
Damm [24]

Answer: Compounds that contain a carbon-carbon double bond are known as _____alkenes_______ . Alkenes are electron rich; therefore, simple alkenes do not react with _____nuceophiles_______ or bases, but will react with _____electrophiles_______ or acids. In the IUPAC system, an alkene is identified by the suffix _____-ene_______ . Addition reactions in which two parts of a reagent are added to the same side of a double bond are known as _____syn_______ additions. Addition reactions in which two parts of a reagent are added from opposite sides of a double bond are called _____anti_______ additions. Halogenation and halohydrin formation occur with _____anti_______ addition. Hydroboration occurs with _____syn_______ addition.

Explanation:

The right terms have been filled into the statement.

Electrophiles are election rich so they react with nucleophiles. And vice versa.

Addition reactions in which two parts of a reagent are added to the same side of a double bond are known as _syn reaction and that involving opposite is anti reaction.

The Halohydrin formation reaction involves breaking a pi bond and creating a halohydrin in its place. Halo = halogen and Hydrin = OH. This reaction takes place in water and yields an anti-addition reaction which follows Markovnikov's rule.

8 0
3 years ago
If you have 5 unknowns and they were secondary alcohol aldehyde, carboxylic acid, amine, and alkane Put plan to identify the unk
Finger [1]

Answer:

the unknowns

Explanation:

7 0
2 years ago
A fire extinguisher has a pressure of 3 atm at 25 degrees C. What is the final pressure, in atmospheres, when the fire extinguis
posledela

Answer:

....

Explanation:

.......

5 0
3 years ago
Investigate: Press Reset. Start with 2.000 moles of sulfur, then press Start. How many atoms do you think this amount represents
Scilla [17]

Answer:

1.204428 * 10^24 atoms

Explanation:

Number of moles = 2 mol

Number of atoms = ?

The relationship between moles and atoms is given by the avogadro's umber. This is the number of units in one mole of a substance.  The units can be atoms, ions etc In this case it is atoms. The number is equal to  6.02214076 * 10^23

This means;

1 mol = 6.02214076 * 10^23

2 mol = x

Upon solving for x,

x = 2 * 6.02214076 * 10^23

x = 12.04428 * 10^23

x = 1.204428 * 10^24 atoms

6 0
3 years ago
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