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andrew-mc [135]
3 years ago
14

How does matter change? *1 point by timewatertemperature​

Chemistry
1 answer:
Stella [2.4K]3 years ago
4 0

Answer: Matter changes state when energy is added or taken away. Most matter changes because of heat energy. Changes in pressure can change matter, too.

Explanation:

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A student who is studying atomic reactions creates the following Venn diagram.
Lady bird [3.3K]

<u>A. reaction A: chemical; reaction B: nuclear</u>

Answer:

Solution given:

as

Circle 2: Reaction B

-Involves neutrons

-Happens inside atomic nucleus

-Releases relatively large amounts of energy

<u>I</u><u>t</u><u> </u><u>h</u><u>a</u><u>p</u><u>p</u><u>e</u><u>n</u><u>s</u><u> </u><u>o</u><u>n</u><u> </u><u>n</u><u>o</u><u>r</u><u>m</u><u>a</u><u>l</u><u> </u><u>c</u><u>h</u><u>e</u><u>m</u><u>i</u><u>c</u><u>a</u><u>l</u><u> </u><u>reaction</u><u>.</u>

Circle 2: Reaction B

-Involves neutrons

-Happens inside atomic nucleus

-Releases relatively large amounts of energy

<u>I</u><u>t</u><u> </u><u>h</u><u>a</u><u>p</u><u>p</u><u>e</u><u>n</u><u>s</u><u> </u><u>o</u><u>n</u><u> </u><u>n</u><u>u</u><u>c</u><u>l</u><u>e</u><u>a</u><u>r</u><u> </u><u>r</u><u>e</u><u>a</u><u>c</u><u>t</u><u>i</u><u>o</u><u>n</u><u>.</u>

5 0
3 years ago
Read 2 more answers
In an experiment, a solution required 30. 05 g of nacl, 50. 0 g of , and 0. 4006 g of mgso4. Using the correct number of signifi
Radda [10]

When the use of significant figures and rounding up is applied correctly the mass of the mixture will be 80.5 g.

In cases of addition or subtraction, only the last significant figure of every number is taken into account.

In 30.05, this is 5, in the hundredths. When we look at 50.0, the last significant figure is 0, and it is in the tenths. And in 0.4006, the last significant figure is 6, in the ten thousandths. Of these three, the 0 from 50.0 is in the leftmost position, which means that the last significant figure of the result needs to be in the same position (in the tenths).

Moving onto the actual algebraic operation:

30.05 g + 50.0 g + 0.4006 = 80.4506 g

As we established, the last significant figure should be in the tenths, and we will have to round up 4 to 5 (trailing numbers are greater than 0), which means that the resulting mass will be 80.5 g.

You can learn more about significant figures here:

brainly.com/question/14804345

#SPJ4

7 0
2 years ago
Which compound is soluble in water PbS BaS Na2S Fe2S3
Dmitry [639]

Answer:

The answer to your question is Na₂S, if you need to choices the other one is BaS

Explanation:

As a general rule, all the compounds that have sulfur, are insoluble in water, but the are some exceptions.

-Molecules with ammonia

-If the molecule has alkali metals is soluble

-If the molecule has Ca⁺², Sr⁺² and Ba⁺² is soluble in water.

From the compounds given, following the rules, the compound that is soluble in is Na₂S and perhaps BaS.

5 0
3 years ago
Mushrooms, yeast, and mold are part of the Kingdom ____________.
Anit [1.1K]

Answer:

fungi

Explanation:

because they are heterotrophs

7 0
4 years ago
Atrial natriuretic peptide is a hormone that controls blood pressure in part by increasing the urinary excretion of sodium. True
mariarad [96]

Answer:

The answer is "true"

Explanation:

ANP, or ANF, is a human peptide hormone, that controls your blood pressure, a cardiac atrium secretion hormone. It response primarily to the volume and stress expansion of the auricles and ventricles.

  • ANP's main function decreases the amount of increased extracellular fluid by increasing renal excretion.
  • This hormone is primarily developed by cardiovascular myocytes and, emanates from the wall tension locally, that's why the given statement is true.

4 0
3 years ago
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