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nevsk [136]
3 years ago
15

Katie blows up a balloon and ties it so there is a fixed amount of air in the balloon. She wraps a piece of string around the wi

dest part of the balloon, and measures it to find the size of the balloon. She has access to:
-A freezer
-A warm cupboard
-A cold refrigerator
-A normal temperature classroom

Write a plan to collect results to answer the question:

How does the temperature affect the size of a blown up balloon?
​
Chemistry
1 answer:
stepladder [879]3 years ago
5 0

Answer:

According to Charles law

Explanation:

volume is directly proportional to absolute temperature

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if you weigh the lauric acid to the nearest 0.1g and you weigh the unknown solid to the nearest 0.0001g, can you calculate a mol
timama [110]

Answer & Explanation:

The limiting significant figure in a calculation is our smallest figure. 1 g is one figure by using the significant figure rules. In the same manner we don't count zeros unless there is a non-zero number in front of it so .0001 g is still 1 figure.

So no we only know the unknown to one significant figure.

3 0
3 years ago
What amount of heat energy is required to raise the temperature of 152 g of water from 24 °C to 74 °C.
DIA [1.3K]

Answer:

Q = 31798.4J = 31.79kJ

Explanation:

Heat energy (Q) = ?

Mass (m) = 152g

T1 = 24°C

T2 = 74°C

Specific heat capacity of water (c) = 4.184J/g°C

Q = Mc∇T

Q = 152 * 4.184 * (74 - 24)

Q = 635.968 * 50

Q = 31798.4J

Q = 31.79kJ

Heat required is 31.79kJ

6 0
3 years ago
Submit your one paragraph essay about disability insurance
enyata [817]

Answer:

Disability insurance is financial protection for your most valuable asset — the ability to work and earn an income. So why is it so commonly overlooked and misunderstood?

Homeowners insurance protects where you live. Car insurance protects what you drive. Health insurance protects your well-being.

But what protects your ability to work and earn an income? After all, that's what allows you to pay for all of the above.

To protect yourself against the risk of losing your paycheck due to injury or illness, there's disability insurance. In this article, we cover everything you need to know about this important, yet often overlooked type of insurance for your income.

Disability insurance definition

Disability insurance is a type of coverage that replaces a portion of your monthly income if injury or illness prevents you from working. It provides financial security for you and any loved ones who may depend on your most valuable asset — your ability to earn a paycheck. You may also hear disability insurance referred to as disability income insurance or income protection.

Explanation:

5 0
3 years ago
When silver coins are found in ancient shipwrecks, they are coated with a black crust. What question could you ask to help you d
Aleks04 [339]
You could ask whether the black crust is a new substance formed from silver underwent a chemical change because a chemical change produces a new substance.
5 0
3 years ago
A+gas+at+250k+and+15atm+has+a+molar+volume+12%+less+than+the+perfect+gas+law+character. +calculate+the+compressibility+factor
shutvik [7]

The compression factor based on the information given is 0.083.

<h3>How to calculate the compression factor?</h3>

The way to calculate the compression factor goes this:

V(ideal) = RT/P

= (0.0821 × 250)/15

= 1.368

V(real) will be:

= V(ideal)/12

= 1.368/12 = 0.114

The compression factor will be:

= 1.368/(12 × 1.368)

= 0.083

Therefore, the compression factor is 0.083.

Learn more about compression factor on:

brainly.com/question/24261456

#SPJ12

6 0
2 years ago
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