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erica [24]
3 years ago
14

What types of predictions can be made using the Periodic Table?

Chemistry
1 answer:
Andrej [43]3 years ago
8 0
Periodic trends are specific patterns that are present in the periodic table that illustrate different aspects of a certain element, including its size and its electronic properties. Major periodic trends include: electronegativity, ionization energy, electron affinity, atomic radius, melting point, and metallic character. Periodic trends, arising from the arrangement of the periodic table, provide chemists with an invaluable tool to quickly predict an element's properties. These trends exist because of the similar atomic structure of the elements within their respective group families or periods, and because of the periodic nature of the elements.
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The energy released during ________ reactions can be used to drive ________ reactions, and this is called ________ reactions.
SpyIntel [72]

Answer:

D. exergonic; endergonic; coupled

6 0
3 years ago
Read 2 more answers
PLEASE HELP ME ASAP PLEASE!!!
Sliva [168]

Answer:

\large \boxed{\text{1763 psi}}

Explanation:

We can use Dalton's Law of Partial Pressures:

Each gas in a mixture of gases equals its pressure independently of the other gases

\begin{array}{rcl}p_{\text{NO2}} + p_{\text{CO2}} & = & p_{\text{tot}} \\p_{\text{NO2}} + \text{795 psi} & = &\text{2558 psi}  \\p_{\text{NO2}} & = &\text{2558 psi - 795 psi} \\& = & \textbf{1763 psi}\\\end{array}\\\text{The partial pressure of nitrogen dioxide is $\large \boxed{\textbf{1763 psi}}$}

4 0
3 years ago
2. A chemical reaction occurs when substances interact and their atoms
enot [183]

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Explanation:

4 0
3 years ago
Sixty miles/hour is how many ft/sec
Karo-lina-s [1.5K]
88 foot per second. 
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5280 × 60 = 316800

316800 feet per hour

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316800 feet per 3600 seconds

316800 ÷ 3600 = 88

88 feet per second

5 0
3 years ago
Hello!! I need help please! Please explain how I can identify a percipitate in a reaction! I need help with chemistry ha
antiseptic1488 [7]
Generally speaking a precipitate is something that will form as a result of the reaction.  It generally is a solid material.

Sodium and nitrates are soluble so Calcium Phosphate would precipitate out....


5 0
2 years ago
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