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dalvyx [7]
3 years ago
15

1. I am a vertebrate

Chemistry
1 answer:
IgorLugansk [536]3 years ago
5 0
It’s a Ostrich the bird is an ostrich
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Elements K and L have 12 and 17 protons respectively. If k has 24 neutrons and L has 36, in a tabular form identify the number o
Delvig [45]

Answer: try watchong videos search up what you just say and wtch the videos it could help

Explanation:

5 0
3 years ago
Butter has a specific gravity of 0.86. What is the mass of 2.45 L<br> of butter?
Tema [17]

Answer:

mass of the butter is 2.107 kg

Explanation:

specific gravity = destiny of the substance / density of

the water at 4°C

0.86 = density of the butter / 1000

where density of the water is 1000 kg/m^3 at 4°C

density of the butter = 860kg/m^3

now,

density of the butter = mass of the butter / volume

860 = mass of the butter / 2.45 × 10^-3

( 1 L = 10^ -3 m^3)

mass of the butter = 2.107 kg

can I get brainlist plz

7 0
3 years ago
N2+ 3 H2 -&gt; 2 NH3 If 12.0 g of H2 reacts with excess N2. then what mass of NH3 will be produced?
Vinil7 [7]
Hey mate here is pratyush for your help from India
..

your answer is in the attachment ..

the answer is 68g of NH3 will be produced.

hope it helps you.

be brainly

7 0
3 years ago
If you need to produce X-ray radiation with a wavelength of 1 Å. a. Through what voltage difference must the electron be acceler
earnstyle [38]

Answer:

12.4×10^3 V

Explanation:

From E=hc/wavelength= eV

The voltage becomes

V= hc/e* wavelength

V= 6.63*10^-34*3*10^8/1.6*10^-19*1*10^-10

Note that the energy of the photon is transferred to the electron. That is the basic assumption we have applied in solving this problem. The kinetic energy of the electron is equal to the product of the electron charge and the acceleration potential.

4 0
3 years ago
Which of these elements is the most electronegative? <br> A. Sr<br> B. Na<br> C. Li<br> D. Ba
hoa [83]

Answer:

A. SR

Explanation:

SR is strongtium and is an electronegative element:))

hope this helps:))

6 0
3 years ago
Read 2 more answers
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