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dexar [7]
2 years ago
14

Which of the following methods can be used to identify the suspected use of heat lamps in a house without entering the house?

Chemistry
1 answer:
LuckyWell [14K]2 years ago
7 0

Answer:

b I see some of ask you to do it

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A metallurgist reacts 250.0 grams of 76.0% by mass silver nitrate solution with an excess of copper
Tomtit [17]
The answer is option d
8 0
3 years ago
How is the strength of an acid affected by the number of hydrogen ions it contains​
adell [148]

More the no. of hydrogen ions more is the solution acidic.

pH means the power of hydrogen that determines the concentration of hydrogen ions or the level of acidiy or basicity of a solution.

so more the hydrogen ions more will be the Power of Hydrogen (pH) and thus more wil be the acidity.

8 0
2 years ago
How are Celsius, Kelvin, and Fahrenheit scales similar? How are they different? Considering their differences, think of one scen
PIT_PIT [208]

Answer:

they are similar becauze they measure temperature

6 0
3 years ago
When 8.00x10^22 molecules of ammonia react with 7.00x10^22 molecules of oxygen according to the chemical equation shown below, h
Pavel [41]
NH₃:

N = 8*10²²
NA = 6.02*10²³

n = N/NA = 8*10²²/6.02*10²³ ≈ 1.33*10⁻¹=0.133mol

O₂:

N=7*10²²
NA = 6.02*10²³

n = N/NA = 7*10²²/6.02*10²³ = 1.16*10⁻¹=0.116mol

4NH₃                   <span>+                        3O</span>₂                      ⇒<span>          2N</span>₂<span> + 6H</span>₂<span>O
</span>4mol                     :                        3mol                   :             2mol
0.133mol             :                        0.116mol           :             0,0665mol
limiting reactant

N₂:

n = 0.0665mol
M = 28g/mol

m = n*M = 0.0665mol*28g/mol = <u>1,862g</u>
6 0
3 years ago
Which statements describe how traits are inherited? Check all that apply.
Varvara68 [4.7K]

Answer:

C

Explanation:

Alleles being more minute than genes,can pass on trait similar or different

4 0
3 years ago
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