4 years ago

Helpppppppppppppppppppppppppppp

1 answer:

5 0

Your answer is:

A volcano spewing out smoke and gases

__________________________

When volcano erupts, various kinds of substances comes out from the interior of earth. A large amount of gases and smoke also come out and enter into atmosphere. These can adversely affect the weather of the area and lead to many health problems.

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An object moving at 96 m/s takes 4 s to come to a stop. What is the object’s acceleration?

Hoochie [10]

Answer:

-24 m/s²

Explanation:

a = v - u / t

= 0 - 96 / 4

= -24 m/s²

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2 years ago

The voltage in a flashlight bulb is 6.0 volts and has a resistance of 24 ohms. Calculate the current

taurus [48]

Answer:

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Explanation:

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3 years ago

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The pressure of a sample of helium in a 200. ml. container is 2.0 atm. If the 5 points

just olya [345]

The pressure of the gas = 40 atm

<h3>Further explanation</h3>

Given

200 ml container

P = 2 atm

final volume = 10 ml

Required

Final pressure

Solution

Boyle's Law

At a fixed temperature, the gas volume is inversely proportional to the pressure applied

$\tt \rm p_1V_1=p_2.V_2\\\\\dfrac{p_1}{p_2}=\dfrac{V_2}{V_1}$

Input the value :

P₂ = P₁V₁/V₂

P₂ = 2 x 200 / 10

P₂ = 40 atm

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3 years ago

If 225 cal of heat is added to 15.0 g of 2-propanol at room temperature, 25ºC, the alcohol will reach a final temperature of ___

natima [27]

Explanation:

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3 years ago

if 0.582 moles of zinc reacts with excess lead(IV) sulfate how many grams are zinc sulfate would be produced? can someone help m

love history [14]

Balanced equation:
Pb(SO₄)₂ + 2 Zn → 2 ZnSO₄ + Pb
From the equation we found that 2 moles of Zn form 2 moles of ZnSO₄
so 0.582 mole of Zn will produce 0.582 ZnSO₄
Molar mass of ZnSO₄ = 161.47 g/mole
Mass of ZnSO₄ formed = 161.47 x 0.582 = 94.0 grams

7 0

3 years ago