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Free_Kalibri [48]
3 years ago
11

What is a carcinogen? a. a toxin linked to an increased risk of cancer b. a non-carbon based chemical c. a type of pollution tha

t can be traced to a specific source d. a type of pollution that cannot be traced to a specific source
Chemistry
2 answers:
Yuri [45]3 years ago
6 0

Answer:

Explanation:

a i think

Margarita [4]3 years ago
4 0

Answer:

it would (a)

Explanation:

carcinogen is a substance that gives your tissues a higher chance of getting cancer

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N2__+3H2= 2NH3
ch4aika [34]
Use the molar mass of ammonia to change the grams to moles and then use mole-mole ratio

100. g NH3 (1 mol NH3/ 17.04 g) (3 mol H2/ 2 mol NH)= 8.80 moles H2
5 0
3 years ago
How many bananas are equal to 7.50 moles of bananas?​
Veseljchak [2.6K]

Answer:

4.52×10^24

Explanation:

N = n × Na

where; N = no. of bananas

n = no. of moles

Na = Avogadro's constant

Which is 6.02×10^23

N = 7.5 × 6.02×10^23

N =4.515×10^24

7 0
3 years ago
In the following reaction, how many grams of NaBr will react with 311 grams of Pb(NO3)2?
Mashutka [201]
Molar mass :

NaBr = 103 g/mol

Pb(NO3)2 = 331.20 g/mol

<span><span /><span>Balanced chemical equation :

</span></span>2 NaBr + 1 Pb(NO3)2 = 2 NaNO3 + 1 PbBr<span>2
</span><span>
2*103 g NaBr ------------> 1 * 331.20 g Pb(NO3)2
      g NaBr  -------------------> 311 g Pb(NO3)2

331.20  g  =   2*103*311

331.20 g = 64066

mass ( NaBr ) =  64066 / 331.20

mass ( naBr)  = 193,43 g of NaBr

hope this helps!.


</span>
5 0
3 years ago
What is the mass in grams of 4.91 moles of ammonium sulfate?
Montano1993 [528]
1 mole is equal to 1 moles Ammonium Sulfate, or 132.13952 grams
4 0
3 years ago
Read 2 more answers
What is not a major use of solar thermal energy? to provide hot water to provide heat for houses to warm buildings to provide el
tensa zangetsu [6.8K]

Answer:

solar thermal energy can be even used to produce air conditioning I'm not understanding your question due to the fact that solar thermal energy produces hot water provides heat for houses and warms buildings great for space heating and can provide electricity

7 0
3 years ago
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