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Ira Lisetskai [31]

3 years ago

5

If the larger, metallic object is initially at rest, which of the following tables could summarize its motion over the same time

period?

2 answers:

ziro4ka [17]3 years ago

8 0

Answer:

if your on study island the answer for me was D

Explanation:

omeli [17]3 years ago

4 0

Answer:

Explanation:

Its letstute.

Hopes it help you thanks

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Use the following equation to answer the questions and please show all work.

DIA [1.3K]

Answer:

a.36 g of water is produced.

b.64 g of $O_{2}$ is consumed.

Explanation:

The reaction is $2H_{2} + O_{2}$ ⇒ $2H_{2}O$

a.

Given,

Weight of $H_{2}$ reacted = 4g

Weight of 1 mole of $H_{2}$ = 2 $\times$ 1 = 2g

Therefore no. of moles of $H_{2}$ reacted = $\frac{4}{2}$ = 2 moles;

Also given,

Weight of $O_{2}$ reacted = 32 g

Weight of 1 mole of $O_{2}$ = 2 $\times$ 16 = 32 g

Therefore no. of moles of $O_{2}$ reacted = $\frac{32}{32}$ = 1

We know that 2 moles of Hydrogen reacts with 1 mole of Oxygen to give 2 moles of water,

As we took 2 moles of Hydrogen and 1 mole of Oxygen,

Directly,from the equation we can tell 2moles of water will be produced.

Therefore no. of moles of $H_{2} O$ produced = 2

Weight of 1 mole of water = $2\times 1+16$ = 18

Therefore weight of $H_{2}O$ produced = $2\times 18$ = 36gm

b.

Given ,

72 g of $H_{2}O$ is produced.

So,

no. of moles of $H_{2}O$ produced = $\frac{72}{18}$ = 4 moles

From equation For every 2 moles of water formed , 1 mole of oxygen must be required.

So for producing 4 moles of water,

No. of moles of Oxygen required = 2 moles.

Therefore weight of $O_{2}$ reacted = $2\times32$ = 64 g

Method 2:

Given,

8 g of $H_{2}$ has reacted.

So,

no. of moles of $H_{2}$ reacted = $\frac{8}{2}$ = 4 moles.

From equation , we know that For every 2 moles of $H_{2}$ reacted,1 mole of $O_{2}$ will react.

Therefore,

No. of moles of $O_{2}$ that reacts with 4 moles of $H_{2}$ = $2\times1$ = 2 moles

Therefore the weight of $O_{2}$ reacted = $2\times 32$ = 64 g

6 0

3 years ago

Which of these themes is most closely related to the harlem renaissance

Sauron [17]

.<span>The most common theme found in the Harlem Renaissance art was that of presenting a well educated, sophisticated African-American.

Explanation:

</span>Additionally, the Harlem Renaissance<span> was viewed primarily as a literary movement </span>targeted<span> in </span>Harlem<span> and growing out of the black migration </span>and therefore the<span> emergence of </span>Harlem because of the<span> premier black metropolis </span>within u. s.<span> Music and theatre were mentioned </span>in brief<span>, </span>a lot of<span> as background </span>and native<span> colour, as providing innovation for poetry </span>and local<span> colour for fiction </span>Harlem Renaissance<span>, an </span>efflorescence of<span> African </span>yank<span> culture, </span>significantly within the inventive<span> arts, </span>and therefore the most powerful movement<span> in African </span>yank<span> literary history. some common themes were: alienation, </span>position<span>, use </span>of people<span> material, use of the Blues tradition.</span>

3 0

3 years ago

Read 2 more answers

How is the miscibility of two liquids related to their polarity?

makvit [3.9K]

Answer:

The more polar the liquid, the more likely that it is miscible with water. The polarity of a liquid does not affect its miscibility with water. The less polar the liquid, the more likely that it is miscible with water. The more polar the liquid, the less likely that it is miscible with water.

Explanation:

hope it helps you

4 0

3 years ago

How do I solve Convert 496 cm to meters

ryzh [129]

Answer:

4,96 m

Explanation:

100 cm =1m

496 cm =4, 96 m

6 0

3 years ago

Why are the elements placed in specific places on the periodic table? 2. periods are rows that run from left to right . 3. eleme

Marizza181 [45]

The elements are placed in specific places on the periodic table based on their atomic number and outer electronic configuration which gives them certain properties.

The elements of same groups have same number of valence electrons.

Group 1: one electron in valence shell

Group 2: two electrons in valence shell.

Helium has only two electrons in its outer shell and it is grouped with elements that have completely filled outer orbitals, noble gas.

5 0

3 years ago