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IgorC [24]
2 years ago
14

Help….? Anyone? It’s a test. 99 points

Chemistry
2 answers:
Crazy boy [7]2 years ago
7 0
Answer:

Cyanobacterium


Explanation:

“Cyanobacterium” is the correct answer, as it has the kingdom bacteria in its name.
Naily [24]2 years ago
6 0

which organism is a member of Kingdom Eubacteria?

  • CYANOBACTERIUM

<u>➜</u><u> </u><u>are classified in the kingdom Monera</u><u>.</u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u>considered to be more closely related to bacteria</u><u> </u><u>and are no longer considered members of the plant family.</u>

\tiny\bold\orange{{❀도움이 되기를 바랍니다❀}}

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ASAP!
Sav [38]

When a radioactive isotope releases an alpha particle, the atomic number of the atom is decreased by four.

So, the correct answer is B.

Hope this helps,

Davinia.

4 0
3 years ago
Calculate the mass of water produced when 7.26 g of butane reacts with excess oxygen
MaRussiya [10]

Answer:

11.3 g.

Explanation:

Hello there!

In this case, since the combustion of butane is:

C_4H_{10}+\frac{13}{2} O_2\rightarrow 4CO_2+5H_2O

Thus, since there is a 1:5 mole ratio between butane and water, we obtain the following mass of water:

m_{H_2O}=7.26gC_4H_{10}*\frac{1molC_4H_{10}}{58.14gC_4H_{10}}*\frac{5molH_2O}{1molC_4H_{10}}  *\frac{18.02gH_2O}{1molH_2O}

Therefore, the resulting mass of water is:

m_{H_2O}=11.3gH_2O

Best regards!

4 0
3 years ago
ASAP someone help ASAP
Sonbull [250]

sunlimation is when a solid goes to a gas thats all i can awnser i havent got that far in chemistry yet.

4 0
3 years ago
Which of the following elements have properties similar to those of strontium (Sr)
dalvyx [7]
D
because they are elements in the same group as strontium
8 0
3 years ago
Read 2 more answers
If it takes 100 N to move a box 5 meters, what is the work done on the box?
JulijaS [17]
<h3>Answer:</h3>

500 Joules

<h3>Explanation:</h3>

<u>We are given;</u>

  • Force is 100 N
  • Distance is 5 m

We are required to calculate the work done;

  1. Work done is the product of force and distance.
  2. That is, work done = Force × distance
  3. Work is measured in Joules

Thus, in this case;

Work done = 100 N × 5 m

                  = 500 Joules

Thus, the work done in moving the box is 500 joules

8 0
3 years ago
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