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77julia77 [94]
3 years ago
15

Which term means human-made liquid, solid, or sludge waste that may endanger human health or the environment? A. sewage B. hazar

dous waste C. groundwater D. non-biodegradable waste
Chemistry
2 answers:
zmey [24]3 years ago
4 0
The answer is B Hazardous waste.
iren2701 [21]3 years ago
4 0
B.) Hazardous waste.
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Substances that are physical combinations of two or more different types of matter are known as
Veseljchak [2.6K]

Answer:

A mixture!

Explanation:

Mixtures are a substance made of combining two or more different kinds of matter :)

Hope this helped!

7 0
3 years ago
How many equivalents of Mg2+ are present in a solution that contains 2.60 moles of Mg2+ ?
harina [27]

Answer:

Science. Chemistry. Chemistry questions and answers. How many equivalents of Mg2+ are present in a solution that contains 2.65 moles of Mg2+ ? Express your answer using three …

Expert Answer. 100% (5 ratings) Number of equivalents of an ion …. View the full answer. Transcribed image text: Question 4 (0.5 points) How many equivalents of Mg2+ are present in …

how many equivalents of Mg2+ are present in a solution that contains 2.75 mol of Mg2+?

A:

5.50 eq

Explanation:

3 0
1 year ago
Write ground-state electron configurations for these ions, which play important roles in biochemical processes in our bodies. (U
Stella [2.4K]
1s s2 s4 s5 s6 

Hope that helped

5 0
3 years ago
An unknown compound contains only C , H , and O . Combustion of 5.60 g of this compound produced 13.7 g CO2 and 5.60 g H2O . Wha
son4ous [18]

Answer:

Empirical formula of compound  is C₄H₈O

Explanation:

Given data:

Mass of compound = 5.60 g

Mass of CO₂ = 13.7 g

Mass of H₂O = 5.60 g

Empirical formula of compound = ?

Solution:

Percentage of C:

13.7 g/5.60 g × 12/44× 100

2.45×0.273× 100 = 66.9%

Percentage of H:

5.60 g/ 5.60 g × 2.016/18 × 100

11.2%

Percentage of O:

(66.9% + 11.2%) - 100 = 21.9%

Grams atom of  C , H, O

66.9/12 = 5.6

11.2 / 1.008 = 11.11

21.9 / 16 = 1.4

Atomic ratio:

           C                 :               H           :              O

           5.6/1.4         :            11.11/1.4    :            1.4/1.4

              4                :               8            :               1

Empirical formula:

C₄H₈O

7 0
4 years ago
Help me please I am stuck
azamat
BOBERT don’t u dare write a whole paragraph cause no one has time to read all that rn xoxo
3 0
4 years ago
Read 2 more answers
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