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Law Incorporation [45]
3 years ago
6

Hydrogen bonds can be found between molecules of which substance? NH3 H2 HI CH4

Chemistry
1 answer:
DochEvi [55]3 years ago
3 0

Answer:

All except ch4

Explanation:

NH3 N H 3 and HF can form hydrogen bonds as they have a hydrogen atom bonded to fluorine and nitrogen atoms.

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Studio
coldgirl [10]

Answer:

0.895 g/mL

Explanation:

Step 1: Given data

Mass of liquid Z (m): 2.763 lb

Volume of liquid Z (V): 5.93 cups

Step 2: Convert "m" to grams

We will use the relationship 1 lb = 453.59 g.

2.763 lb \times \frac{453.59 g}{1lb} = 1,253g

Step 3: Convert "V" to milliliters

We will use the relationship 1 cup = 236.59 mL.

5.93cup \times \frac{236.59mL}{1cup} = 1.40 \times 10^{3} mL

Step 4: Calculate the density of the liquid Z

The density (ρ) of the liquid Z is equal to its mass divided by its volume.

\rho = \frac{m}{V} = \frac{1,253g}{1.40 \times 10^{3}mL  } = 0.895 g/mL

4 0
3 years ago
HELP PLZ ASAP<br> will give brainliest
horrorfan [7]

Answer:

I believe that it would be the third option down.

Explanation:

The thermal energy is in constant motion in the COOLER room, and when the desired temperature in the room is reached, it stops.

8 0
3 years ago
Help! why are chemical equations always balanced?
KengaRu [80]

Answer:

C

Explanation:

The Law of Conservation of Mass states that matter cannot be created or destroyed and must be conserved. I is stating matter cannot be created, which is true. II is saying that matter can only be rearranged/conserved, which again is true. III states matter cannot be destroyed, which is also true. IV is incorrect because it doesn't make sense. Matter does matter.

3 0
3 years ago
HELP, I NEED TO CHECK MY ANSWERS!!
Ne4ueva [31]

Answer:

paper clip is .5 grams, penny is around 2.5 grams and a pencil is around 6-7 grams. sry that's all I know

6 0
4 years ago
When an atom of iron loses all of its 4s electrons and one of its 3d electrons, what is its charge?
icang [17]
There are two electrons in 4s and 6 in 3d. When you lose 3 electrons, you will be left with an ion of 3+ charge!
5 0
4 years ago
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