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xxMikexx [17]
3 years ago
7

HELP PLEASE

Chemistry
1 answer:
ICE Princess25 [194]3 years ago
3 0
Answer:
speed, it’s counting on how fast it can go 1000 meters
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An isolated insulated cylinder contains 15.40 grams of neon gas and a 62.30-gram bronze medal in thermal contact. When the bronz
Katen [24]

Answer:

its 57.56

Explanation:

dont ask me how it is just is trust me

5 0
3 years ago
A spherical ball of lead has a diameter of 2.5 cm . What is the mass of the sphere if lead has a density of 11.34 g/cm3? (The vo
Paladinen [302]
Mass =  volume  x   density

volume = πr²
    since Diameter = 2.5 cm
    then   radius = 1.25cm

∴ volume  =  π  x  (1.25cm)³
                 ≈  6.1359 cm³

Thus mass  =  6.1359 cm³  x  11.34  g / cm³
                    =  69.58 g
3 0
3 years ago
Read 2 more answers
What is the mass of aluminum oxide (101.96 g/mol) produced from 1.74 g of manganese(iv) oxide (86.94 g/mol)?
NemiM [27]

the mass of aluminum oxide (101.96 g/mol) produced from 1.74 g of manganese(iv) oxide (86.94 g/mol) is 1.36g

The reaction is 3 MnO2 + 4 Al ------ 2Al2o3+ Mn

3 mole of manganese oxide give 2 moles of aluminum oxide so by the reaction n( MnO2)/3 =n(al203)2

the formula is n= mass/M so, now substituting values

m (Al2O3)= m(MnO2) X 2 X M (Al2O3) / M(MnO2 X3

so, by substituting values, 2 X101.96 X1.74g / 3 X 86.94 =1.36g

so mass of aluminum oxide obtained = 1.36g

To learn more about Mass:

brainly.com/question/19694949

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3 0
2 years ago
HELP FAST PLEASE! What is the limiting reactant if 43.4 g of NH3 react with 30 g of NO? The balanced equation is 4NH3 + 6NO --&g
givi [52]

The limiting reactant in the reaction is the NO molecule.

<h3>What is limiting reactant?</h3>

The limiting reactant is the reactant that is present in the least amount in the reaction. The rate of reaction depends on the limiting reactant.

Given the reaction; 4NH3 + 6NO --> 5N2 + 6H2O.

Number of moles of NH3 = 43.4 g/17 g/mol = 2.55 moles

Number of moles of NO = 30 g/30 g/mol = 1 mole

Now if 4 moles of NH3 reacts with 6 moles of NO

2.55 moles of NH3 reacts with 2.55 moles * 6 moles/ 4 moles

= 3.8 moles

Hence, the limiting reactant in this reaction is NO.

Learn more about limiting reactant:brainly.com/question/14225536

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5 0
2 years ago
PLEASE HELP ME!!!!!!!!!!!!!!!!!!!
Lady_Fox [76]

Answer: Spun yarn is made by twisting staple fibers together

To make a cohesive thread Or “single”. Twisting fibers, into yarn in the process called spinning can be dated back to the upper Paleolithic. Yarn spinning was one of the first processes to be industrialized.

Explanation:

4 0
3 years ago
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