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Aloiza [94]
4 years ago
9

If hydrogen-1 has 1 proton how many protons does hydrogen-2 have?

Chemistry
1 answer:
Vikentia [17]4 years ago
5 0
Number of protons remain the same however number of neutron increases. <span />
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1. List two things that control the reaction rate for chemical reactions.
Leya [2.2K]
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4 years ago
¿de que manera se relacionan las fuerzas intermoleculares con la flotabilidad del hielo?
garri49 [273]

La estructura del hielo, forma un retículo que ocupa más espacio y es menos denso que el agua líquida. Cuando el agua se enfría, se contrae su volumen, como sucede en todos los cuerpos, pero al alcanzar los 4ºC cesa la contracción y su estructura se dilata hasta transformarse en hielo en el punto de congelación. Por eso el hielo es menos denso que el agua y flota sobre ella. Gracias a esta anomalía del agua, los lagos, ríos y mares, comienzan a congelarse desde la superficie hacia abajo, y esta costra de hielo superficial sirve de abrigo a los seres que viven, pues aunque la temperatura ambiental sea extremadamente baja (-50 0 -60º C), el agua de la superficie transformada en hielo mantiene constante su temperatura en 0ºC. Y el agua del fondo queda protegida térmicamente del exterior, y puede alcanzar los 4º o 5ºC, que son suficientes para la supervivencia de ciertas especies. En esta propiedad se basan los esquimales para construir sus casa de hielo (iglúes).

7 0
3 years ago
What would be the new pressure if 250. сm of gas at 25.0°C and 730. mmHg pressure
IrinaVladis [17]

Answer:

2340mmHg

Explanation:

P1V1/n1T1=P2V2/n2T2

n1=n2 T1=25+271=298k

T2=300+273=573k

730×250/298=P2×150/573

P2=2340mmHg

5 0
3 years ago
When balance the following chemical equations N2+O2= NO2 the coefficient for O2 is
Papessa [141]

Answer:

2

Explanation:

N₂ + O₂ --->  NO₂

balance

N₂ + 2O₂ ---> 2NO₂

4 0
3 years ago
Susan uses Doppler radar to analyze wind patterns in five cities and determine how windy it is. Which statement describes how sh
andrezito [222]

Answer

Susan can process wind speed data from different regions.

Explanation

A Doppler radar is used in weather forecasting in measuring the direction and speed of objects such as drops of precipitation. It determines if the movement occurring in the atmosphere is horizontally towards or way from the radar. Susan can obtain velocity data about objects at a distance which might be water droplets thus be able to predict a coming weather


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4 years ago
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