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garri49 [273]
2 years ago
13

Write the expression 44(4–7)(4) using a single exponent. 4–28 4–4 4–3 4–2.

SAT
1 answer:
Ann [662]2 years ago
8 0

Answer:

4^–2

Explanation:

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When 2. 0 m aqueous solutions of sodium bicarbonate and hydrochloric acid react, it produces carbon dioxide, water and sodium ch
OLEGan [10]

The number of mole of carbon dioxide, CO₂ formed from the reaction is 0.0632 mole.

<h3>How to determine the mole of NaHCO₃</h3>
  • Molarity of NaHCO₃ = 2 M
  • Volume = 31.6 mL = 31.6 / 1000 = 0.0316 M
  • Mole of NaHCO₃ =?

Mole = Molarity x Volume

Mole of NaHCO₃ = 2 × 0.0316

Mole of NaHCO₃ = 0.0632 mole

<h3>How to determine the mole of CO₂</h3>

NaHCO₃ + HCl —> CO₂ + H₂O + NaCl

From the balanced equation above,

1 mole of NaHCO₃ reacted to produce 1 mole of CO₂.

Therefore,

0.0632 mole of NaHCO₃ will also react to produce 0.0632 mole of CO₂.

Thus, 0.0632 mole of CO₂ was obtained from the reaction

Learn more about stoichiometry:

brainly.com/question/14735801

8 0
2 years ago
A young lady of property
Contact [7]

A young lady of property is a noun.

8 0
3 years ago
Hey. Yeah you. Listen up.
ASHA 777 [7]

Answer:

k ty bro

Explanation:

5 0
3 years ago
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Frank borrowed $5,000 with an annual simple interest rate. The amount of interest he owed after 6 months was $300. What is the i
cestrela7 [59]

Answer:

D. 12%

Explanation:

300 / 5,000 =0.06 x 100 =6% Interest rate for the 6-month period.

6% x 2 =12% nominal annual interest rate - ccompounded semi-annually.

7 0
4 years ago
Read 2 more answers
GAWAIN 1:
taurus [48]

Answer:

1. Masaya, dahil alam ko na isa na naman itong masayang araw na makikita ko ang mga kaibigan ko. Ngayong nasa bahay na ay malungkot, dahil hindi ko makikita ang mga kaibigan ko at mas marami pang ipinapagawa.

2. Ang paaralan para sa akin ay isang masayang lugar kung saan ka mag aaral at makakakilala ng maraming kaibigan.

3. Ito ay parang paaralan nadin, ngunit hindi masaya at masigla tulad sa eskwelahan at hindi ko rin nakikita ang mga kaibigan ko.

4. Dahil malayo sa mga kaibigan, mas mahirap matuto online at dahil narin sa dahilang mas maraming pinapagawa kaysa dati.

5. Dahil walang sigla sa bahay at pahirapan ang paraan ng pag aaral ngayon.

Explanation:

yes

8 0
3 years ago
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