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34kurt
3 years ago
14

True or false

Chemistry
1 answer:
8090 [49]3 years ago
5 0
1) false, they can’t
2) false, algae produces oxygen and are a source of food for other organisms
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uysha [10]
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5 0
3 years ago
- How many moles of S2 are needed to produce 1.50 moles of SO2 gas? S2 + 20, ----> 2802​
matrenka [14]

Answer:

0.75 moles

Explanation:

S2 + 2O2 = 2SO2

From the reaction above,

We see that number of moles attached to S2 is 1 and number of moles attached to SO2 is 2.

Since we want to find how many moles of S2 are needed to produce 1.50 moles of SO2 gas

The answer is gotten by proportion;

Number of moles = 1/2 × 1.5 = 0.75 moles

3 0
3 years ago
Which conclusion could be made from Ernest Rutherford’s gold foil experiment ?
mote1985 [20]
From the Rutherford's gold foil experiment one can conclude that nucleus was very small in size, as compared to the atoms. In the experiment Rutherford discovered that, the atom contains a very small nucleus where all of its positive charge of the atom is present.
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4 years ago
What is a compound in chemistry
nignag [31]
A compound is a substance formed when two or more chemical elements are chemically bonded together. In mixtures, the substances present are not chemically bonded together.
7 0
3 years ago
Can anyone help me ASAP
harkovskaia [24]

Answer: Balance, multiply, find ratio

Explanation:

Balance the equation to be able to multiply correctly and accurately, multiply, and this will give you the molar ratio

5 0
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