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harina [27]
3 years ago
12

Use the investigation set up below to write a conclusion statement for what is happening to the liquid. Choose the best answer.

Chemistry
1 answer:
jeka57 [31]3 years ago
8 0

D is the answer. Just look at the picture on your test ❤

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Which of the following elements is most likely to form an ion that will then form an ionic bond with an ion of a Group 1A elemen
solniwko [45]
Group 1A (the alkali metals) almost always form cations (positive ions). They'd need anions (negative ions) to ionic bond with. Beryllium (Be) is group 1A already and forms Be+ cation. Bromine is a halogen, and forms Br-, an anion. Platinum is a metal, and usually won't ionic bond with anything. Francium is rare and highly radioactive, plus it so happens to be group 1A as well. Only bromine can form the anion that the group 1A cations need.
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3 years ago
What is the force in the stretched rope that is attached to a bucket being pulled out of a well?​
bezimeni [28]
The force of gravity acts upon all objects; the Earth and the object attract. There are no springs touching the object; thus, there is no spring force. A taut rope is attached to the bucket; this is the cause of the tension force.
3 0
3 years ago
A quantity of NaCl was dissolved in 100 cm of solution to obtain
soldi70 [24.7K]

Answer:

2.93g

Explanation:first, let us calculate the number of mole of NaCl present in the solution. This is illustrated below:

Molarity = 0.5M

Volume = 100cm^3 = 100/1000 = 0.1L

Mole =?

Molarity = mole /Volume

Mole = Molarity x Volume

Mole of NaCl = 0.5 x 0.1 = 0.05mole

Now we can obtain the mass of NaCl as follows:

Molar Mass of NaCl = 23 + 35.5 = 58.5g/mol

Mole of NaCl = 0.05mol

Mass of NaCl =?

Mass = number of mole x molar Mass

Mass of NaCl = 0.05 x 58.5

Mass of NaCl = 2.93g

7 0
3 years ago
A gas mixture contains 88 grams of oxygen gas, 88 grams of nitrogen gas, and 12 grams of nitrogen dioxide gas,
emmainna [20.7K]
BROO DEE YOU ALREADY KNOW WHAT IS STOP DA CAP, o.81
7 0
3 years ago
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Identify at least three control variables that could be used with this investigation: What temperature allows for bacterial grow
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Answer:

Time allowed for incubation, size of the dish, the amount of light, amount of agar, the type of agar…etc

Explanation:

6 0
3 years ago
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