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2 years ago

List five household items that contain the same chemicals as cigarettes.

Chemistry

1 answer:

WITCHER [35]2 years ago

5 0

Five household items that contain the same chemicals as cigarettes :-

Perfume
Household cleaning products
Beauty Products
Sunscreen
Water bottles

They contain toxic substances!

hope it helps!

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Give an example of a physical model of the circulatory system

GaryK [48]

Arteries carry blood away from the heart and veins carry blood back to the heart. Hope that helps (:

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3 years ago

The amount of a chemical solution is measured to be 2 liters.

irinina [24]

2 liters may be 1.5 to 1.9 rounded up to 2 or 2.1 or 2.4 rounded down to 2.

2 - 1.5 = 0.5

percent error = (absolute error / quantity) * 100

percent error = 0.5/2 * 100% = 0.25 * 100% = 25%

Choice C. 25%.

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2 years ago

Complete this sentence. If mass remains the same while the volume of a substance ________, the density of the substance will____

VARVARA [1.3K]

Answer:

B. Increases, Decreases

Explanation:

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2 years ago

1. Multiple Choice

solong [7]

Answer:

#1 A

#2 B

#3 C

#4 c

Explanation:

#1 can give reference to a mountain the higher the altitude the colder it will get

#2 talking about climate not seasons per say. focus on climate answers

#3 wind carry moisture from the sea on to land which cause precipitation

#4 Monsoons is correct

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2 years ago

A 25 gram(m) metal ball is heated to 200C(delta T) with 2330 Joules(q) of energy. What is the specific heat of the metal?

Dominik [7]

Answer:

The specific heat of the metal is 0.466 $\frac{J}{g*C}$

Explanation:

Calorimetry is the measurement and calculation of the amounts of heat exchanged by a body or a system.

The equation that allows calculating heat exchanges is:

Q = c * m * ΔT

where Q is the heat exchanged by a body of mass m, made up of a specific heat substance c and where ΔT is the temperature variation.

In this case:

Q= 2330 J
c= ?
m= 25 g
ΔT= 200 °C

Replacing:

2330 J= c*25 g* 200 °C

Solving:

$c=\frac{2330 J}{25 g* 200 C}$

c=0.466 $\frac{J}{g*C}$

The specific heat of the metal is 0.466 $\frac{J}{g*C}$

6 0

3 years ago

Read 2 more answers