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bearhunter [10]
3 years ago
6

Help for Number 5 please.

Chemistry
1 answer:
pshichka [43]3 years ago
6 0
What subject is this ?
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Word Bank: Mixtures, Compounds, Matter, Homogeneous, Element, Substance, Heterogeneous
docker41 [41]

Answer:

<em>1</em><em>.</em><em> </em><em>Element</em>

<em>2</em><em>.</em><em> </em><em>Heterogeneous</em><em> mixture</em>

<em>3</em><em>.</em><em> </em><em> </em><em>Compound</em>

<em>4</em><em>.</em><em> </em><em>Mixture</em><em> </em><em>or </em><em>Substances</em>

<em>5</em><em>.</em><em> </em><em>Elements</em>

<em>6</em><em>.</em><em> </em><em>Homogeneous</em><em> mixture</em>

4 0
3 years ago
How many moles of PbCI2 are produced if 14 moles of AICI3 are consumed?
Bond [772]
21
2cl3  -)  3cl2
 14          14.3/2
4 0
3 years ago
A balloon originally had a volume of 4.39 L at 44C and a pressure of 729 torr  to what temperature must the balloon be cooled
VMariaS [17]

The new temperature : 11.56 °C

<h3>Further explanation </h3>

Boyle's law and Gay Lussac's law  

\tt \dfrac{P_1.V_1}{T_1}=\dfrac{P_2.V_2}{T_2}

P1 = initial gas pressure (N/m² or Pa)  

V1 = initial gas volume (m³)  

P2 = final gas pressure  

V2 = final gas volume

T1 = initial gas temperature (K)  

T2 = final gas temperature  

V₁=4.39 L

T₁=44+273=317 K

P₁ = 729 torr = 0,959211 atm

V₂=3.78 L

P₂= 1 atm

\tt \dfrac{0.959211\times 4.39}{317}=\dfrac{1\times 3.78}{T_2}\\\\T_2=\dfrac{1\times 3.78\times 317}{0.959211\times 4.39}\\\\T_2=284.559~K=11.56~C

3 0
3 years ago
PLEASE HELP!!!!!!!!!
KonstantinChe [14]

Answer:

Option "C" is the correct answer to the following question.

Explanation:

Given:

Pressure in an automobile tire (P) = 1.88 atm

Temperature (K) = 25°C = 273 + 25 = 298 Kelvin

New temperature (K1) = 37°C = 273 + 37 = 310 Kelvin

Find:

New pressure in an automobile tire (P1) = ?

Computation:

\frac{P}{K}= \frac{P1}{K1} \\\\\frac{1.88}{298}= \frac{P1}{310}\\\\1.9557

New pressure in an automobile tire (P1) = 1.9557

New pressure in an automobile tire (P1) = 1.96 (Approx)

5 0
3 years ago
A(n)<br> ______ Is a group of organs that work together to perform a com
soldier1979 [14.2K]

Answer:

an organ system  Is a group of organs that work together to perform a com

Explanation:

that is the answer organ system

now plz give me 5 stars and press on the heart plz

5 0
3 years ago
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