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Scorpion4ik [409]
3 years ago
14

Need help with these (This is how i got the DOC)

Chemistry
1 answer:
katen-ka-za [31]3 years ago
6 0
I don’t see a picture love
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Write a short paragraph on the harms caused by microorganisms<br>​
lutik1710 [3]

Answer:

Some serious diseases like anthrax is also caused in animals by the microbes. Microbes also cause diseases of plants like blights in potatoes, sugarcanes, oranges etc. They also reduce the yield. Microbes grow on food products and render them unfit for consumption.

Explanation:

5 0
3 years ago
What element would have this electron configuration:<br> 1s22s22p 3s 3p 4s 3d
kirill [66]

Answer: its either argon or phosphorus is this a constructed response or a multiple choice

Explanation:

3 0
3 years ago
In one of the routine analyses, Dr Entropy found that the concentration of phosphate had increased from 0.0090 mg/L to 0.220 mg/
wariber [46]

Answer:

The final volume should be 22 mL

Explanation:

For this problem, we will use the dilution equation:

C1*V1 = C2*V2

<u>Step 1</u>: Data given

with C1 = the initial concentration C1 = 0.220 mg/L

with V1 = the initial volume = 10 mL = 10 * 10^-3 L

with C2 = the final concentration = 0.100 mg/L

with V2 = the final volume = TO BE DETERMINED

<u>Step 2</u>: Calculating the final volume

C1*V1 = C2*V2

0.220 mg/L * 10*10^-3 L = 0.100 mg/L * V2

V2 = (0.220 mg/L * 10*10^-3 L) / 0.100 mg/L

V2 =0.022 L = 22 mL

The final volume should be 22 mL

3 0
4 years ago
The transition elements are in Groups A.coinage metals B.iron triad C.alkaline earth metals D.alkali metals
zhuklara [117]

I believe transition metals are coinage metals. The answer should be A.

4 0
3 years ago
A certain gas is present in a 15.0 L cylinder at 2.0 atm pressure. If the pressure is increased to 4.0 atm the volume of the gas
nexus9112 [7]

Answer:

Ki = 30atmL

Kf = 30atmL

Explanation:

The following data were obtained from the question:

V1 (initial volume) = 15.0L

P1 (initial pressure) = 2atm

V2 (final volume) = 7.5L

P2 (final pressure) = 4atm

Ki (initial constant) =?

Kf (final constant) =?

Boyle's law states that PV = K

Ki = P1V1

Ki = 2 x 15 = 30atmL

Kf = P2V2

Kf = 4 x 7.5 = 30atmL

Since Ki and Kf are the same, the gas obey Boyle's law

8 0
3 years ago
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