Help plz 10 pointsss———-

Chemistry

2 answers:

belka [17]3 years ago

6 0

First would be homeostasis, second is a wolf panting after chasing

lisov135 [29]3 years ago

4 0

Answer:

the first question is homeostasis. and the second question is the wolf panting

Explanation:

let me know if u need an explanation n ill try to give one :)

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Complete the nuclear reaction.*

irina [24]

$\boxed {_{-1}^0e}$

Explanation:

$\huge _{53}^{125}I\rightarrow _{54}^{125}Xe+\boxed {_{-1}^0e}$

5 0

3 years ago

How would the concentration of silver ions compare in a 1.0 x 10-16 L saturated solution to a 1.5 x 10-16 L saturated solution?

VMariaS [17]

The second one is more concentrated as they both times with the same thing but the second one (1.5) is bigger

3 0

3 years ago

Kim Chemist proposes that increasing the proportion of butadiene in her glue formulation will make the glue stickier. Her propos

Sunny_sXe [5.5K]

Answer: option D) hypothesis

Explanation:

Kim proposal is an hypothesis, because it is an assumption that will ONLY be accepted as true (i.e becomes a theory) when butadiene successfully makes the glue stickier in several conducted experiments.

But, at the moment Kim proposal is an hypothesis.

7 0

4 years ago

If a solution containing 51.429 g of mercury(ii) perchlorate is allowed to react completely with a solution containing 16.642 g

OLga [1]

Hg(No3)2 +NaSO4 --->2NaNO3 + HgSO4(s)
calculate the moles of each reactant
moles=mass/molar mass

moles of Hg(NO3)2= 51.429g/ 324.6 g/mol(molar mass of Hg(NO3)2)=0.158 moles

moles Na2SO4 16.642g/142g/mol= 0.117 moles of Na2SO4

Na2SO4 is the limiting reagent in the equation and by use mole ratio Na2So4 to HgSO4 is 1:1 therefore the moles of HgSO4 =0.117 moles

mass of HgSO4=moles x molar mass of HgSo4= 0.117 g x 303.6g/mol= 35.5212 grams

7 0

4 years ago

Which substance is a reducing agent? A. CO B. F2 C. CO2 D. H2O2 E. FeSO4

IRISSAK [1]

H2O2

$\mathtt \red{Hope \: it \: helps}$

6 0

3 years ago

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