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OleMash [197]
3 years ago
10

True or False: Water molecules "stick together" due to hydrogen bonds.

Chemistry
1 answer:
Dimas [21]3 years ago
6 0

Answer:

True

Explanation:

To begin with,

Hydrogen bonds are attractions that contain a force caused by the difference in charge. This is due to the positive hydrogen ions as well as  slightly negative ions. Therefore, hydrogen bonds make water molecules 'sticky.' To add, the attractions between hydrogen bonds are weaker than ionic and covalent bonds but strong enough to cause them to 'stick together'

Hope this helps.

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Predict what will be observed in each experiment below. experimentpredicted observation (choose one) A student sees tiny bubbles
Andrew [12]

Answer:

The bubbles will grow, and more may appear.

Explanation:

The bubble seen in a carbonated soft drink are bubbles of CO2. These bubbles appear because the gas is dissolved under pressure in carbonated drinks.

If i squeeze the bottle, i am applying more pressure to the bottle hence more bubbles will appear in the bottle under this increased pressure.

Hence, if the student squeezes the bottle, the bubbles will grow, and more may appear.

5 0
3 years ago
A compound is found to contain 50.05% sulfur and 49.95% oxygen by mass. What is the empirical formula for this compound
yaroslaw [1]
S=50.05/32  O=49.95/16, S=1.5640625/1.5640625  O=3.121875/1.5640625, S=1 O=1.99, S=1 O=2 Empirical Formula= SO2
8 0
4 years ago
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A flask contains 5.0g of neon gas at a temperature of 35°C. The pressure gauge indicates 0.37atm inside the flask. What is the v
DaniilM [7]

Answer:

The volume of the neon gas is 17.07 L.

Explanation:

The ideal gas equation describes the relationship among the four variables  P, V, T, and n. An ideal gas<u> is a hypothetical gas whose pressure-volume-temperature  behavior can be completely accounted for by the ideal gas equation</u>.

In order to calculate the volume, first we need to convert the grams of neon to moles:

28.18 g Ne ------ 1 mol Ne

5.0 g Ne---------- <u>x= 0.25 mol Ne</u>

Now, using the ideal gas equation we calculate the volume:

pV= nRT

V= nRT ÷ p

V= (0.25 mol × 0.082 L.atm/mol.K × 308.15 K ÷ 0.37 atm

V= 17.07 L

6 0
3 years ago
Can somebody plz tell me which one I should circle for each question thanks!!!
marusya05 [52]

Answer:

1. False

2. True  

3. True

4. True

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Explanation:

7 0
3 years ago
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What type of bonding occurs in a sample of pure copper, Cu? In other words, how is one copper atom held to another copper atom?
Aleonysh [2.5K]

B. metallic because copper is a metal

5 0
3 years ago
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