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adelina 88 [10]
3 years ago
8

Which elements are solid at room temperature

Chemistry
1 answer:
Kryger [21]3 years ago
8 0

Answer:bromine , neon , helium , argon , lithium , beryllium

Explanation:

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Select the steps that are associated with energy entering the system. Check all that apply.
quester [9]

Answer: option c. the mixing of solute and solvent molecules

Explanation:

8 0
3 years ago
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What is the most likely product of hydration of CH3CH=CH2 ?
nikdorinn [45]

Answer is: C. CH3CHOHCH3.

Balanced chemical reaction of hydration of propene:

CH₃CH=CH₂ + H₂O → CH₃CHOHCH₃.

A hydroxyl group (OH⁻) attaches to one carbon of the double bond and a proton (H⁺) adds to the other carbon of the double bond according to Markovnikov's rule (hydrogen gets attached to the carbon with more hydrogen substituents).

Product of this reaction is propan-2-ol (isopropyl alcohol).

7 0
3 years ago
If an M&amp;M weighs 0.88 grams, how much would a mole of M&amp;Ms<br> weigh?
Snezhnost [94]

Answer:

5.30x10²³g

Explanation:

A mole can be understood as an amount of something.

One mole of eggs are 6.022x10²³ eggs

One mole of atoms are 6.022x10²³ atoms

One mole of molecules are 6.022x10²³ molecules

And 1 mole of M&M are 6.022x10²³ M&M. As 1 M&M weighs 0.88g, 1 mole will weigh:

0.88g*6.022x10²³ =

<h3>5.30x10²³g</h3>
7 0
4 years ago
What is the volume of 400 g of metal with a density of 10 g/mL?
grigory [225]

Answer:

40 mL

Explanation:

Volume=400g/10(g/mL)

= 40mL

hope this will help you ❤️

4 0
3 years ago
At what time was the frog sitting still or at rest
faltersainse [42]

Answer:

What are the times and is that your question?

Explanation:

7 0
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