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djyliett [7]
3 years ago
11

A patient is receiving treatments for brain cancer. Which electromagnetic waves are most likely being used as part of the treatm

ent?
A)infrared
B)ultraviolet
C)microwave
D)gamma ray
Chemistry
2 answers:
Lostsunrise [7]3 years ago
6 0

Answer;

D) Gamma ray

Explanation;

-Electromagnetic Waves may help fight Brain cancer. The use of electromagnetic radiations or waves to treat cancer is called radiation therapy, in which cancer treatment uses high doses of radiations to kill cancer cells and shrink tumors.

-Gamma rays or gamma radiations are the main electromagnetic radiations used for this radiation therapy.

SVETLANKA909090 [29]3 years ago
5 0
Gamma rays, or rather gamma radiation are most commonly used.
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<span>Gloria is writing the chemical formula for a compound using its chemical name. She has just identified the names of the elements in the compound. The tool that she will need to use next is a textbook to learn the IUPAC naming of compounds or a handbook of chemical compounds.</span>

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3 years ago
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aleksklad [387]

Answer:

postion emmsion

Alpha decaya

gamma decay

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Explanation:

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7 0
2 years ago
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For the rxn CaCo3(s)+2Hcl(aq)_CaCl(aq)+Ca2(g)+H2O(l)68.1 g solid CaCo3 is mixed with 51.6Hcl what number of grams of Co2 will be
Svetach [21]

Answer:

29.9 g of CO₂ will be produced by the reaction.

Explanation:

This is the reaction:

CaCO₃(s)  + 2HCl (aq)  →  CaCl₂(aq)  + CO₂(g) +  H₂O(l)

First of all, we state the moles of each reactant:

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51.6 g . 1 mol/36.45g = 1.46 mol of acid.

The solid salt is the limiting reactant. Ratio is 2:1

2 moles of acid can react to 1 mol of salt

1.46 mol of acid may react with (1.46 . 1)/2 = 0.727 moles

As we only have 0.680 moles of salt, we do not have enough.

Let's work at the product side. Ratio is 1:1

1 mo of salt can produce 1 mol of gas

0.680 moles will produce 0.680 moles of gas

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8 0
3 years ago
If an athlete runs at a speed of 12.9 km/hour, how long will it take the athlete to run a marathon (about 42.2 km)? Express your
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Answer:

Time = 3.27s

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When you multiply the number of significant figures in the result is the same as the number with the least significant figures.

In this case 42.2 has 3 significant figures and 12.9 also has 3 significant figures, therefore the answer must have 3 significant figures too.

Time = 3.27 s

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3 years ago
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