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riadik2000 [5.3K]
3 years ago
13

Is this correct pls answer as soon as possible

Chemistry
1 answer:
Lunna [17]3 years ago
4 0

Answer: Yes

Explanation:

I just know it is.

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A box is pushed across the floor for a distance of 5 metters with a force of 50N in 5 seconds. a. how much work is done? b. what
Reptile [31]

Answer:

50W

Explanation:

The formula and is

W = F × s

(force x distance)

W= 50 N× 5 m =250 N m=250 J

Done in 5 seconds the power is

p

=

W

t

where

t

=time

p

=

250

J

5

=

50 J

/s

=50 W

6 0
3 years ago
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Consider the following precipitation reaction (balanced). precipitation reaction: 2NH4Br(aq)+Pb(C2H3O2)2(aq)⟶2NH4C2H3O2(aq)+PbBr
sweet [91]

Answer:

Pb2+ (aq) & 2Br- (aq) --> PbBr2 (s).

Explanation:

Equation of the reaction:

Pb(C2H32O2)2 (aq) + 2 NH4Br (aq) --> 2NH4C2H3O2 (aq) + PbBr2 (s)

Ionic equation:

Pb+2(aq) + 2(C2H3O2)-1 (aq) + 2(NH4+) (aq) + 2Br-1 (aq) --> 2(NH4+) (aq) + 2(C2H3O2-) (aq) + PbBr2 (s)

2(NH4)+1(aq) & 2(C2H3O2)-1 (aq) cancel out from both sides, you are left with the net ionic equation :

Pb2+ (aq) & 2Br- (aq) --> PbBr2 (s).

6 0
3 years ago
Question 3:
Oliga [24]
E. Molarity of vinegar

i hope u get this i tried to figure it out hopefully im right 

good luck!

5 0
3 years ago
Water is capable of dissolving a variety of different substances, which is why it is such a good solvent. it is often called the
Tema [17]

Water is often referred as a <span>universal solvent </span>because it is capable dissolving much more solutes as compared to any other solvent.  This is because, water is a high polar molecule. In water, H has partial positive charge while O has partial negative charge. 


Due to this, water favors dissociation of molecules into positively and negatively charged ions. Positively charge ions gets attracted  towards oxygen i.e. negatively charges, while negatively charged ions get attracted towards positive end of water molecule. 


However, it is worth nothing that, despite water being referred as universal solvent, many compounds are insoluble or partially soluble in water. For instance, most of the hydroxide displays poor solubility in water.

6 0
3 years ago
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What is the key building block of living tissue and ecosystems?<br><br> Hope u can help!
myrzilka [38]

Answer:

Your answer is cells. Hope this helps!

7 0
3 years ago
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