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marusya05 [52]
3 years ago
12

Which climate zone is the united states located in

Chemistry
1 answer:
Gelneren [198K]3 years ago
3 0

Answer:

Along the Atlantic seaboard, the humid subtropical climate zone extends southward into central Florida. A Mediterranean climate prevails along most of the California coast, while southern Florida has a tropical climate, the warmest region on the US mainland.[1] Hawaii and the U.S. territories also have tropical climates.[1]

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A swimmer can swim 1000 m in 400 seconds. What is her average speed in m/s?
maxonik [38]

Answer:

2.5m/s

Explanation:

speed= distance/time

distance=1000m

time=400s

1000m/s/400s=2.5m/s

3 0
3 years ago
Which of the following best describes the frequency of a wave?
Vesnalui [34]

Answer

B.

Explanation:

6 0
3 years ago
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At equilibrium A. All reactions have ceased B. Only the forward reaction continues C. Only the reverse reaction continues D. Bot
vovangra [49]

Answer:

D)both the forward and reverse reactions continue.

Explanation:

Chemical equilibrium can be regarded as state whereby rate of the forward reaction is equal to rate of backward reaction. It should be noted that At equilibrium both the forward and reverse reactions continue.

8 0
3 years ago
A sample of gas has a volume of 1.20 L at standard conditions. Find its volume at 35.0 oC and 900 torr. (R = 62.4 L torr/K *mol)
timurjin [86]

Answer:

Option A. 1.14L

Explanation:

Data obtained from the question include:

V1 = 1.20 L

P1 = at stp = 760torr

T1 = at stp = 273K

P2 = 900torr

T2 = 35°C = 35 + 273 = 308K

V2 =?

Using P1V1/T1 = P2V2/T2, we can obtain the new volume as follows:

P1V1/T1 = P2V2/T2

(760 x 1.2)/273 = (900 x V2) /308

Cross multiply to express in linear form

273 x 900 x V2 = 760 x 1.2 x 308

Divide both side by 273 x 900

V2 = (760 x 1.2 x 308) /(273 x 900)

V2 = 1.14L

3 0
3 years ago
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B. If 10.0 g iron reacts with oxygen, how many grams of iron (III) oxide should be<br> produced?
Setler79 [48]

Answer:

14.29g

Explanation:

First, let us write a balanced equation for the reaction. This is illustrated below below:

4Fe + 3O2 —> 2Fe2O3

Next, let us calculate the mass of Fe that reacted and the mass of Fe2O3 produced from the balanced equation. This is shown below:

Molar Mass of Fe = 56g/mol

Mass of Fe from the balanced equation = 4 x 56 = 224g

Molar Mass of Fe2O3 = (56x2) + (16x3) = 112 + 48 = 160g/mol

Mass of Fe2O3 from the balanced equation = 2 x 160 = 320g

From the balanced equation,

224g of Fe produced 320g of Fe2O3.

Therefore, 10g of Fe will produce = (10x320)/224 = 14.29g of Fe2O3

From the calculations made above, 10g iron(Fe) produced 14.29g of iron(iii) oxide (Fe2O3)

6 0
4 years ago
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