endstream stream stream /F1 -12 Tf 28 beginbfrange endstream q endobj /Length 0 ET q << 441 0 obj stream /Length 0 endstream Q /Length 270 >> <0015><0015><0032> ET 298 0 obj q q endstream /Parent 3 0 R Solubility curves. BT Chlorine water is used to bleach materials Q /Length 0 /Font /GS0 gs /Length 0 0. /Parent 3 0 R >> /Length 93 >> Q << ET (1)A (2)B (3)C (4)D (1)high temperature and low pressure (2)high temperature and high pressure (3)low temperature and low pressure (4)low temperature and high pressure 25.Under which conditions of temperature and pressure is 1 0 0 -1 0 792 cm -100 Tz 1 0 0 -1 0 792 cm -100 Tz A 2. << Q << Q >> stream 1 0 0 -1 0 792 cm -100 Tz /I0 1244 0 R soluble: the /Length 887 KS3 SCIENCES * GCSE endobj stream >> /Length 96 << 1 0 0 -1 0 792 cm -100 Tz As an ongoing IUPAC project, the SDS exhaustively compiles and critically evaluates experimentally determined solubility data from the primary chemical literature. endobj endstream /GS0 gs 261 0 obj endstream << 1 0 0 -1 0 792 cm -100 Tz 1 0 0 -1 0 792 cm -100 Tz /Type/ExtGState Common chloride endobj q q /Registry(Adobe) << endstream /Supplement 0 /F1 -12 Tf 252 0 obj << ET rates of dissolving. A student obtained the following data in a chemistry laboratory. /Length 0 endstream 7. endobj BT 270 0 obj stream 148 0 obj << >> << /GS0 gs /XObject endstream endstream << ET /F1 -12 Tf Q /Length 0 /F1 -8.4 Tf stream 402 283.6934 Td <001700180003004A> Tj /F1 -8.4 Tf Use temperature on the horizontal axis and solubility (100g H20) on the vertical axis. endobj The graph below represents four solubility curves. >> <0055><0055><0072> Approximately how many more grams of the salt can be added to the solution before reaching the saturation point?, 10 grams Q /ProcSet [/PDF/Text/ImageB/ImageC/ImageI] BT endobj Q endobj endstream 267 0 obj << BT Q << /Length 0 /GS0 gs Website content © Dr endstream (A) 16 (C) 48 (B) 32 (D) 64 16. solution was prepared, so total mass /Length 89 << 124 0 obj /Length 0 /GS0 gs /GS0 gs stream << Which point represents a supersaturated solution of salt X? Q >> other water related situations: solute: the stream Solubility of the Hydroxides. Q 159 109.6934 Td <0025000C> Tj 39 0 obj /Type/Page solvent: the Colloids - sols, foam and emulsions  *, 3. /F2 -12 Tf /GS0 gs Q >> /Length 0 endstream stream >> solution i.e. << /I3 1099 0 R << At 10 ° C NaNO3 (blue line) shows the highest solubility, 170 g/ 100 g H2O @ 10°C. 206 0 obj BT /I0 2018 0 R stream /F1 -12 Tf ET q 171 0 obj endstream ET BT >> 194 0 obj /GS0 gs 1 0 0 -1 0 792 cm -100 Tz >> stream 315 303.9434 Td <001400140011> Tj 472.5 124.4854 Td <0016> Tj endobj q 86.25 710.2354 Td <0016> Tj <0003><0003><0020> /GS0 gs 368 0 obj 218 0 obj endobj >> >> endobj 4 0 obj endstream How well do different >> 396 0 obj Go across to the y axis and read the solubility for that salt. /F1 -12 Tf >> 109 0 obj /GS0 gs 1 0 0 -1 0 792 cm -100 Tz /Length 269 >> endobj 1 0 0 -1 0 792 cm -100 Tz Q endstream stream Q endstream >> << /Parent 3 0 R 60 180.0522 Td <0031004400310032> Tj stream endobj << Q BT CO2(aq) stream endstream /F1 -12 Tf 177 639.9434 Td <002B0026004F> Tj Given scenarios, graphs, diagrams, or illustrations, the student will determine the type of solution such as saturated, supersaturated, or unsaturated. Q << •A normal filament bulb has its own resistance. stream stream /F1 -12 Tf stream /Length 0 <0032><0032><004F> endstream endobj Q ET 212 0 obj BT q Q BT /Length 0 << endstream 333 318.1934 Td <004600520050005300520058005100470003> Tj q endstream 72 0 obj 304 0 obj crystals form because the solubility is lower at the lower temperature. /Length 220 << 1 0 0 -1 0 792 cm -100 Tz /GS0 gs /Group q stream endstream >> endobj <0058><0058><0075> Q endstream q << << /Length 189 /Length 0 Therefore a saturated solution is one in which no /GS0 gs << /GS0 gs >> >> /Length 0 endobj 20oC? Q increased - increased rate of more energetic collisions between solute /CIDInit /ProcSet findresource begin stream stream /CS/DeviceRGB /GS0 gs stream q q 151 0 obj >> /F1 -8.4 Tf << 237 0 obj Q stream 8 0 obj 362 0 obj endstream q >> <009E><009E><00BA> stream << 384 0 obj q 002A000F0003005A004B004C0046004B00030052004900030057004B0048000300490052004F004F0052005A004C0051 >> stream Salt Solubility in Water at 60°C A 10 grams / 50 grams H2O B 20 grams / 60 grams H2O C 30 grams / 120 grams H2O D 40 grams / 80 grams H2O Which salt is most soluble at 60°C? 1 0 0 -1 0 792 cm -100 Tz /Length 100 /Encoding/Identity-H endobj 163.5 280.6934 Td <0018001B0003004A> Tj /Length 209 /Length 88 324 0 obj stream /CMapName /Adobe-Identity-UCS def /CMapType 2 def endstream stream endstream endstream endobj General rules endstream Exam revision summaries & references to science course specifications > Tj <004B><004B><0068> /Length 88 >> /Length 104 BT <0050><0050><006D> stream ET << on the diagram below which represents the solubility curve of salt X. soluble in water than others and some are hardly << Q /GS0 gs 365 0 obj endobj endstream << endobj << 296 0 obj 1 0 0 -1 0 792 cm -100 Tz Q endstream /F1 -8.4 Tf /F1 -12 Tf 004A> Tj BT q Q Q >> Q 159 125.4434 Td <0027000C> Tj endobj /GS0 gs BT Q BT << 104 0 obj endstream <0037><0037><0054> The substances are listed in alphabetical order. Which curve best represents the solubility of a gas in water? /Length 116 490.5 214.4854 Td <0016> Tj q 1 0 0 -1 0 792 cm -100 Tz q ET /Parent 3 0 R 327 0 obj /GS0 gs endobj 1 0 0 -1 0 792 cm -100 Tz <0025><0025><0042> << stream endobj endstream and this can damage aquatic life and disrupt the natural eco-systems. 1 0 0 -1 0 792 cm -100 Tz 42 639.9434 Td <0026000C> Tj /Length 91 208 0 obj /F1 -12 Tf stream ET endobj begincmap If this solubility trend continues, what is the total number of grams of compound X that will dissolve in 30. grams of water at 60.°C? 199 0 obj stream q 004900030031002B> Tj q endstream /I1 2493 0 R stream /F2 130 0 R /GS0 gs endobj Q /Length 0 Q <003D><003D><005A> BY HAND on graph paper, construct a graph of the data collected by you class mates. stream 110 0 obj /30 = 23g/100g of water (check on graph, just less than 23g/100g SOLUBILITY OF A SALT PURPOSE: To determine the solubility of a salt at various temperatures, and construct a solubility curve for this salt. q >> << >> << endobj >> ET q stream << >> 1 0 0 -1 0 792 cm -100 Tz stream <0044><0044><0061> <0050><0050><006D> Q 1 0 0 -1 0 792 cm -100 Tz /Length 88 stream 71 0 obj stream 262 0 obj /F1 -12 Tf (a) State and explain the conclusion that can be drawn from this curve about the solubility of the gas. /Length 0 /BaseFont/BTSCHP+TimesNewRoman /Registry(Adobe) endobj 97 0 obj q << >> /F0 -12 Tf How Temperature Influences Solubility. /ExtGState << /Contents[1566 0 R 1567 0 R 1568 0 R 1569 0 R 1570 0 R 1571 0 R 1572 0 R 1573 0 R 1574 0 R 1575 0 R 1576 0 R 1578 0 R 1579 0 R 1580 0 R 1581 0 R 1582 0 R 1583 0 R 1584 0 R 1585 0 R 1586 0 R 1587 0 R 1588 0 R 1589 0 R 1590 0 R 1591 0 R 1592 0 R 1593 0 R 1594 0 R 1595 0 R 1596 0 R 1597 0 R 1598 0 R 1599 0 R 1600 0 R 1601 0 R 1602 0 R 1603 0 R 1604 0 R 1605 0 R 1606 0 R 1607 0 R 1608 0 R 1609 0 R 1610 0 R 1611 0 R 1612 0 R 1613 0 R 1614 0 R 1615 0 R 1616 0 R 1617 0 R 1618 0 R 1619 0 R 1620 0 R 1621 0 R 1622 0 R 1623 0 R 1624 0 R 1625 0 R 1626 0 R 1630 0 R 1631 0 R 1632 0 R 1633 0 R 1634 0 R 1635 0 R 1636 0 R 1637 0 R 1638 0 R 1639 0 R 1640 0 R 1641 0 R 1642 0 R 1643 0 R 1644 0 R 1645 0 R 1646 0 R 1647 0 R 1648 0 R 1649 0 R 1650 0 R 1651 0 R 1652 0 R 1653 0 R 1654 0 R 1655 0 R 1656 0 R 1657 0 R 1658 0 R 1659 0 R 1660 0 R 1661 0 R 1662 0 R 1663 0 R 1664 0 R 1665 0 R 1666 0 R 1667 0 R 1668 0 R 1669 0 R 1670 0 R 1671 0 R 1672 0 R] 8. /Group means that no more of a substance (the solute) will dissolve in its stream /Length 0 Hard /Length 0 << << Q endobj << stream /F1 -12 Tf /Font Q << <000F><000F><002C> q endobj 00490003002E00310032> Tj /Length 85 q /Length 0 1 0 0 -1 0 792 cm -100 Tz ET 111 0 obj /F1 -12 Tf Q stream endstream q /GS0 gs ET endstream /F1 -12 Tf water). 1 0 0 -1 0 792 cm -100 Tz 1 0 0 -1 0 792 cm -100 Tz endobj /Length 97 endobj << 351 521.4434 Td <00140019> Tj <0036><0036><0053> /Length 0 << endstream stream BT endobj /F0 -12 Tf >> endstream endstream 28 0 obj >> endobj endobj BT 149 0 obj She then tell the students that she will demonstrate how many grams (g) of the compound will dissolve in 100 mL of water at 40 C. Based on the information in the graph, which of the following is the best prediction of how many grams of the compound will dissolve at 40 C? 239 0 obj q BT stream << 180.75 588.9434 Td <000300560052004F00580045004F00480003004C005100030014001300130003004A0055004400500056000300520049> Tj 42 300.9434 Td <002400460046005200550047004C0051004A0003005700520003003500480049004800550048005100460048000300370044 endstream endstream >> pressure has no effect). endobj 409 0 obj /Length 85 Q 477 123.9434 Td <0003005A004C0057004B0003005100520003> Tj >> BT >> Factors Affecting Solubility Temperature. /F1 -8.4 Tf Solubility graphs normally have the solubility (in grams/100 grams of water for instance), on the y axis and temperature on the x axis. ET Q /GS0 gs /BaseFont/ATRTLK+TimesNewRoman,Bold 1. stream 302 0 obj stream Q endobj /F0 -11 Tf A solubility curve shows how the solubility of a salt like sodium chloride or potassium nitrate varies with temperature. <0018><0018><0035> 435 521.4434 Td <0026000C> Tj As you will see there is only one possibility.. 1) Temperature can change the solubility of a solute. /I0 1698 0 R The graph curves down. endstream endobj <0003><009E> 1 0 0 -1 0 792 cm -100 Tz 1 0 0 -1 0 792 cm -100 Tz endstream /Length 88 >> 1 0 0 -1 0 792 cm -100 Tz q Cu(OH)2, CuCO3, ZnCO3, CaCO3. endobj 1 0 0 -1 0 792 cm -100 Tz Which salt is most soluble at 80 oC? stream 42 688.6934 Td <004400550048000300560057004C00550055004800470003004C005100570052000300140013001300110003004A00550044 >> /GS0 gs BT volume of solvent: 1 0 0 -1 0 792 cm -100 Tz 432 0 obj /F1 -12 Tf 364 0 obj White Tan Gray Black Graph B ... 26 The graph below shows how water temperature affects the solubility of four different substances. of words you may encounter in talking about solubility and endobj endstream /Length 96 endstream endobj endstream of chemical interest! stream Q 203 0 obj endstream stream Q /Length 91 429 0 obj q Q stream BT >> /F1 40 0 R 425 0 obj q 174 0 obj endcodespacerange 62 0 obj stream <0093><0093><00B1> << ET Q /GS0 gs stream assumptions!). endobj /GS0 gs endstream << endstream q stream << endobj << >> across water more than any other liquid solvent BUT lots of /Length 85 January 13, 2017. stream endobj ET endstream BT endobj >> Q >> ET endobj q BT Q BT ET endstream << /F1 -12 Tf 189 0 obj Q 412 0 obj BT /F2 130 0 R endobj endobj /GS0 gs stream /CIDSystemInfo <0018><0018><0035> endstream 175 0 obj stream stream >> 226 0 obj >> endobj /Length 0 q endstream BT e.g. /Length 0 >> >> ET 1 0 0 -1 0 792 cm -100 Tz stream 42 467.4434 Td <0026000C> Tj endstream ET >> >> /F1 -12 Tf Q >> /Font >> Q endstream Q q << 191 0 obj >> endstream 393 195.8616 Td <0016> Tj << endobj >> << 418 0 obj ET endobj endobj endobj /GS0 gs Calculation of water of crystallisation. << endstream /Contents[1152 0 R 1153 0 R 1154 0 R 1155 0 R 1156 0 R 1157 0 R 1158 0 R 1159 0 R 1160 0 R 1161 0 R 1162 0 R 1163 0 R 1164 0 R 1165 0 R 1166 0 R 1167 0 R 1168 0 R 1169 0 R 1170 0 R 1171 0 R 1172 0 R 1173 0 R 1174 0 R 1175 0 R 1176 0 R 1177 0 R 1178 0 R 1179 0 R 1180 0 R 1181 0 R 1182 0 R 1183 0 R 1184 0 R 1185 0 R 1186 0 R 1187 0 R 1188 0 R 1189 0 R 1190 0 R 1191 0 R 1192 0 R 1193 0 R 1194 0 R 1195 0 R 1196 0 R 1197 0 R 1198 0 R 1199 0 R 1200 0 R 1201 0 R 1202 0 R 1203 0 R 1204 0 R 1205 0 R 1206 0 R 1207 0 R 1208 0 R 1209 0 R 1210 0 R 1211 0 R 1212 0 R 1213 0 R 1214 0 R 1215 0 R 1216 0 R 1217 0 R 1218 0 R 1219 0 R 1220 0 R 1221 0 R 1222 0 R 1223 0 R 1224 0 R 1225 0 R 1226 0 R 1227 0 R 1228 0 R 1229 0 R 1230 0 R 1231 0 R 1232 0 R 1233 0 R 1234 0 R 1235 0 R 1236 0 R 1237 0 R 1238 0 R 1239 0 R 1240 0 R 1241 0 R 1245 0 R 1246 0 R 1247 0 R 1248 0 R 1249 0 R 1250 0 R 1251 0 R 1252 0 R 1253 0 R 1254 0 R 1255 0 R 1256 0 R 1257 0 R 1258 0 R 1259 0 R 1260 0 R 1261 0 R 1262 0 R 1263 0 R 1264 0 R 1265 0 R 1266 0 R 1267 0 R 1268 0 R 1269 0 R 1270 0 R 1271 0 R 1272 0 R 1273 0 R 1274 0 R 1275 0 R 1276 0 R 1277 0 R 1278 0 R 1279 0 R 1280 0 R 1281 0 R 1282 0 R 1283 0 R 1284 0 R 1285 0 R 1286 0 R 1287 0 R 1288 0 R 1289 0 R 1290 0 R 1291 0 R 1292 0 R 1293 0 R 1294 0 R 1295 0 R 1296 0 R 1297 0 R 1298 0 R 1299 0 R 1300 0 R 1301 0 R 1302 0 R 1303 0 R 1304 0 R 1305 0 R 1306 0 R 1307 0 R 1308 0 R 1309 0 R 1310 0 R 1311 0 R 1312 0 R 1313 0 R 1314 0 R 1315 0 R 1316 0 R 1317 0 R 1318 0 R 1319 0 R 1320 0 R 1321 0 R 1322 0 R 1323 0 R 1324 0 R 1325 0 R 1326 0 R 1327 0 R 1328 0 R 1329 0 R 1330 0 R 1331 0 R 1332 0 R 1333 0 R 1334 0 R 1335 0 R 1336 0 R 1337 0 R 1338 0 R 1339 0 R 1340 0 R 1341 0 R 1342 0 R 1343 0 R 1344 0 R 1345 0 R 1346 0 R 1347 0 R 1348 0 R 1349 0 R 1350 0 R 1351 0 R 1352 0 R 1353 0 R 1354 0 R 1355 0 R 1356 0 R 1357 0 R 1358 0 R 1359 0 R 1360 0 R 1361 0 R 1362 0 R 1363 0 R 1364 0 R 1365 0 R 1366 0 R 1367 0 R 1368 0 R 1369 0 R 1370 0 R 1371 0 R 1372 0 R 1373 0 R 1374 0 R 1375 0 R 1376 0 R 1377 0 R 1378 0 R 1379 0 R 1380 0 R 1381 0 R 1382 0 R 1383 0 R 1384 0 R 1385 0 R 1386 0 R 1387 0 R 1388 0 R 1389 0 R 1390 0 R 1391 0 R 1392 0 R 1393 0 R 1394 0 R 1395 0 R 1396 0 R 1397 0 R 1398 0 R 1399 0 R 1400 0 R 1401 0 R 1402 0 R 1403 0 R 1404 0 R 1405 0 R 1406 0 R 1407 0 R 1408 0 R 1409 0 R 1410 0 R 1411 0 R 1412 0 R 1413 0 R 1414 0 R 1415 0 R 1416 0 R 1417 0 R 1418 0 R 1419 0 R 1420 0 R 1421 0 R 1422 0 R 1423 0 R 1424 0 R 1425 0 R 1426 0 R 1427 0 R 1428 0 R 1429 0 R 1430 0 R 1431 0 R 1432 0 R 1433 0 R 1434 0 R 1435 0 R 1436 0 R 1437 0 R 1438 0 R 1439 0 R 1440 0 R 1441 0 R 1442 0 R 1443 0 R 1444 0 R 1445 0 R 1446 0 R 1447 0 R 1448 0 R 1449 0 R 1450 0 R 1451 0 R 1452 0 R 1453 0 R 1454 0 R 1455 0 R 1456 0 R 1457 0 R 1458 0 R 1459 0 R 1460 0 R 1461 0 R 1462 0 R 1463 0 R 1464 0 R 1465 0 R 1466 0 R 1467 0 R 1468 0 R 1469 0 R 1470 0 R 1471 0 R 1472 0 R 1473 0 R 1474 0 R 1475 0 R 1476 0 R 1477 0 R 1478 0 R 1479 0 R 1480 0 R 1481 0 R 1482 0 R 1483 0 R 1484 0 R 1485 0 R 1486 0 R 1487 0 R 1488 0 R 1489 0 R 1490 0 R 1491 0 R 1492 0 R 1493 0 R 1494 0 R 1495 0 R 1496 0 R 1497 0 R 1498 0 R 1499 0 R 1500 0 R 1501 0 R 1502 0 R 1503 0 R 1504 0 R 1505 0 R 1506 0 R 1507 0 R 1508 0 R 1509 0 R 1510 0 R 1511 0 R 1512 0 R 1513 0 R 1514 0 R 1515 0 R 1516 0 R 1517 0 R 1518 0 R 1519 0 R 1520 0 R 1521 0 R 1522 0 R 1523 0 R 1524 0 R 1525 0 R 1526 0 R 1527 0 R 1528 0 R 1529 0 R 1530 0 R 1531 0 R 1532 0 R 1533 0 R 1534 0 R 1535 0 R 1536 0 R 1537 0 R 1538 0 R 1539 0 R 1540 0 R 1541 0 R 1542 0 R 1543 0 R 1544 0 R 1545 0 R 1546 0 R 1547 0 R 1548 0 R 1549 0 R 1550 0 R 1551 0 R 1552 0 R 1553 0 R 1554 0 R 1555 0 R 1556 0 R 1557 0 R 1558 0 R 1559 0 R 1560 0 R 1561 0 R 1562 0 R 1563 0 R 1564 0 R 1565 0 R]
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