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mezya [45]
2 years ago
6

a hot air balloon has a volume of 875L. what is the original temperature of the balloon if its volume changes to 955 L when heat

ed to 56
Chemistry
1 answer:
soldi70 [24.7K]2 years ago
4 0

Answer:

using Charles law

v1/t1= v2/ t2

Explanation:

875/t1=955/56+273

t1= 329* 875/955

t1= 302.82k

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MaRussiya [10]

about 43001 is it i think

3 0
3 years ago
What are 2 applications of the Colligative Property that allows freezing point depression?
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1) Adding salt on the roads in the winter time,
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5 0
3 years ago
Consider the nuclear equation below. Superscript 235 subscript 92 upper U right arrow superscript 4 subscript 2 upper H e. What
coldgirl [10]

Answer:

\rm_{90}^{231}\text{Th}

Explanation:

The unbalanced nuclear equation is

\rm _{92}^{235}\text{U} \longrightarrow \,  _{2}^{4}\text{He} + X

Let's write X as a nuclear symbol.

\rm _{92}^{235}\text{U} \longrightarrow \,  _{2}^{4}\text{He} + _{Z}^{A}\text{X}

The main point to remember in balancing nuclear equations is that the sums of the superscripts and of the subscripts must be the same on each side of the reaction arrow.

Then

235 = 4 + A , so A = 235 - 4 = 231, and

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And your nuclear equation becomes

\rm _{92}^{235}\text{U} \longrightarrow \,  _{2}^{4}\text{He} +\, _{90}^{231}\text{X}

Element 90 is thorium, so  

\rm X = _{90}^{231}\text{Th}

7 0
3 years ago
How did the development of the earliest idea about atoms differ from the later work of scientists?
Ket [755]

Answer:

C

Explanation:

The early ideas of the atom states that the indivisible object is hollow or is a solid object with nothing inside. The later discoveries or works of the scientists states that inside the atoms are the subatomic particles which are the electrons, protons, and neutrons.

6 0
2 years ago
In the nucleus with the protons together their sum is the
galina1969 [7]

Answer:

the nucleus is called the mass number and, expressed in amu, is approximately equal to the mass of the atom

Explanation:

6 0
3 years ago
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