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3 years ago

7

Water, air, buildings, food, and everything visible and invisible have mass and takes up space. What is the word used to describ

e anything that has mass and takes up space?

1 answer:

Sunny_sXe [5.5K]3 years ago

5 0

Answer:

Matter

hope this helps

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Write balanced, net ionic equations for the following precipitation, acidn base, or gasn forming reactions. Include states of ma

dybincka [34]

Answer:

Explanation:

a ) 2FeCl₃ + 3Li₂S = Fe₂S₃ ( s ) + 6 LiCl

2Fe⁺³ + 6Li ⁻ + 6Cl⁻ + 3S⁻² = 6Li + 6Cl⁻ + Fe₂S₃ ( s )

b )

3CH₃COONa +( NH₄)₃PO₄ = 3CH₃COONH₄ + Na₃PO₄

3CH₃COO + 3Na⁺ + 3NH₄⁻ + PO₄⁺³ = 3CH₃COO⁻ +3NH₄⁺ + Na₃PO₄

c )

HClO₄ + KOH = kClO₄ + H₂O

H ⁺ + ClO₄⁻ + K⁺ + OH⁻ = k⁺ ClO₄⁻ + H₂O

d )

NH₄OH + HNO₃ = NH₄NO₃ + H₂O

NH₄⁺ + OH⁻ + H⁺ + NO₃⁻ = NH₄⁺ + NO₃⁻ + H₂O

e )

HNO₂ + KOH = KNO₂ + H₂O

H⁺ + NO₂⁻ + K⁺ + OH⁻ = K⁺ + NO₂⁻ + H₂O

f ) HIO₃ + CaCO₃ ( s ) = Ca( IO₃ )₂ + H₂CO₃

H⁺ + IO₃⁻ + CaCO₃ ( s ) = Ca( IO₃ )₂ + H₂CO₃

g )

c ) is strong acid and strong base

d ) is weak base and strong acid

e ) weak acid and strong base

f ) Strong acid and basic salt

5 0

2 years ago

Based on the data what can be inferred about the biotic factors of this religion

liberstina [14]

Answer:

I would say the answer is D

Explanation:

5 0

2 years ago

Calculate the mass (in g) of 2.1 x 1024 atoms of W.

Monica [59]

Atomic mass W = 183.84 u.m.a

183.84 g ----------- 6.02x10²⁴ atoms
?? g ---------------- 2.1x10²⁴ atoms

2.1x10²⁴ x 183.84 / 6.02x10²⁴ =

3.860x10²⁶ / 6.02x10²⁴ = 641.30 g

hope this helps!

4 0

2 years ago

The rate constant for this second‑order reaction is 0.380 M − 1 ⋅ s − 1 0.380 M−1⋅s−1 at 300 ∘ C. 300 ∘C. A ⟶ products A⟶product

Sati [7]

Answer: 8.38 seconds

Explanation:

Integrated rate law for second order kinetics is given by:

$\frac{1}{a}=kt+\frac{1}{a_0}$

$a_0$ = initial concentartion = 0.860 M

a= concentration left after time t = 0.230 M

k = rate constant = $0.380M^{-1}s^{-1}$

$\frac{1}{0.860}=0.380\times t+\frac{1}{0.230 }$

$t=8.38s$

Thus it will take 8.38 seconds for the concentration of A to decrease from 0.860 M to 0.230 M .

5 0

2 years ago

Why does sound travel faster in warm air

xz_007 [3.2K]

Answer:

Warm or hot air particles have more energy than that of cool air. As a result they move faster than cool air particles. Since sound propogation involves movement or vibration of particles, sound travels faster in warm air

Hope this helps!

6 0

2 years ago

Read 2 more answers